‖n. pl. [ NL., from Gr. &unr_; a spine, thorn + &unr_; head. ] (Zool.) A group of intestinal worms, having the proboscis armed with recurved spines. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_;, adj. neut. pl., headless. See Acephal. ] (Zool.) That division of the Mollusca which includes the bivalve shells, like the clams and oysters; -- so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca. [ 1913 Webster ]

n. Same as Acephal. [ 1913 Webster ]

a. (Zool.) Belonging to the Acephala. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. pref. &unr_; + &unr_; the brain. ] (Zool.) The division that includes man alone. R. Owen. [ 1913 Webster ]

a. [ Gr. 'a priv. + &unr_; nuptial bed. ] (Bot.) Not furnished with shields or beds for the spores, as the thallus of certain lichens. [ 1913 Webster ]

adv. [ Gr. kefalh` head + L. ad toward. ] (Zool.) Forwards; towards the head or anterior extremity of the body; opposed to caudad. [ 1913 Webster ]

a. [ L. cephalalgicus, Gr. &unr_;. ] (Med.) Relating to, or affected with, headache. -- n. A remedy for the headache. [ 1913 Webster ]

{ ‖ } n. [ L. cephalalgia, Gr. &unr_;; &unr_; + &unr_; pain: cf. F. céphalalgie. ] (Med.) Pain in the head; headache. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; + &unr_; flower. ] (Bot.) Same as Anthodium. [ 1913 Webster ]

‖n. [ NL., fr. Gr. kefalh` head + &unr_; a shield. ] (Paleon.) A genus of fossil ganoid fishes found in the old red sandstone or Devonian formation. The head is large, and protected by a broad shield-shaped helmet prolonged behind into two lateral points. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. kefalh` head. ] (Zool.) A large division of Mollusca, including all except the bivalves; -- so called because the head is distinctly developed. See Illustration in Appendix. [ 1913 Webster ]

a. (Zool.) Having a head. [ 1913 Webster ]

‖n. [ Native name, prob. given in imitation of its cry. ] (Zool.) The Texan guan (Ortalis vetula). [ written also chiacalaca. ] [ 1913 Webster ]

‖n.; pl. E. Chalazas, L. Chalazæ [ NL., fr. Gr. &unr_; hail, pimple. ] 1. (Bot.) The place on an ovule, or seed, where its outer coats cohere with each other and the nucleus. [ 1913 Webster ]

2. (Biol.) A spiral band of thickened albuminous substance which exists in the white of the bird's egg, and serves to maintain the yolk in its position; the treadle. [ 1913 Webster ]

a. Of or pertaining to the chalaza. [ 1913 Webster ]

n. Same as Chalaza. [ 1913 Webster ]

a. [ Chalaza + -ferous. ] Having or bearing chalazas. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; dim. of &unr_; hail, pimple. ] (Med.) A small circumscribed tumor of the eyelid caused by retention of secretion, and by inflammation of the Melbomian glands. [ 1913 Webster ]

n. [ Chalaza + -gamy, as in polygamy. ] (Bot.) A process of fecundation in which the pollen tube penetrates to the embryosac through the tissue of the chalaza, instead of entering through the micropyle. It was originally discovered by Treub in Casuarina, and has since been found to occur regularly in the families Betulaceæ and Juglandaceæ. Partial chalazogamy is found in Ulmus, the tube here penetrating the nucleus midway between the chalaza and micropyle. -- Chal`a*zo*gam"ic a. [Webster 1913 Suppl.]

adj. of or relating to the cortex and the hypothalamus. [ WordNet 1.5 ]

n. 1. the battle that ended the second Macedonian War (197 BC); the Romans defeated King Philip of Macedon.
Syn. -- battle of Cynoscephalae. [ WordNet 1.5 ]

n. any of numerous cycads of the genus Encephalartos having stout cylindrical trunks and a terminal crown of long, often spiny pinnate leaves. [ WordNet 1.5 ]

a. Belonging to, or designed for, an epithalamium. [ 1913 Webster ]

n.; pl. Epithalamiums L. Epithalamia [ L., fr. Gr. &unr_; , orig. an adj., nuptial; 'epi` upon, at + &unr_; bride chamber. ] A nuptial song, or poem in honor of the bride and bridegroom. [ 1913 Webster ]

The kind of poem which was called epithalamium . . . sung when the bride was led into her chamber. B. Jonson. [ 1913 Webster ]

n.; pl. Epithalamies Epithalamium. [ R. ] Donne. [ 1913 Webster ]

a. Capable of being exhaled or evaporated. Boyle. [ 1913 Webster ]

a. [ Cf. F. exhalant. ] Having the quality of exhaling or evaporating. [ 1913 Webster ]

n. [ L. exhalatio: cf. F. exhalaison, exhalation. ] 1. The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation. [ 1913 Webster ]

2. That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc. [ 1913 Webster ]

Ye mists and exhalations, that now rise
From hill or steaming lake. Milton. [ 1913 Webster ]

3. A bright phenomenon; a meteor. [ archaic ] [ 1913 Webster +PJC ]

I shall fall
Like a bright exhalation in the evening. Shak. [ 1913 Webster ]

‖prop. n. pl. [ NL., fr. Gr. &unr_; brightness + &unr_; head. ] (Paleon.) A group of fossil amphibians allied to the labyrinthodonts, having the head defended by bony, sculptured plates, as in some ganoid fishes. [ 1913 Webster ]

n. (Zool.) A genus comprising the pilot whales.
Syn. -- genus Globicephala. [ WordNet 1.5 ]

‖n. pl. [ NL. fr. Gr. gyro`s round + 'egke`falos the brain. ] (Zool.) The higher orders of Mammalia, in which the cerebrum is convoluted. -- Gyr`en*ceph"a*lous a. [1913 Webster]

n.; pl. Halachoth [ Heb. halāchāh. ] The general term for the Hebrew oral or traditional law; one of two branches of exposition in the Midrash. See Midrash. [ 1913 Webster ]

n. (Photog.) An appearance as of a halo of light, surrounding the edges of dark objects in a photographic picture. [ 1913 Webster ]

n. A member of the Holocephali, fish with high compressed heads and a bodies tapering off into a long tail. See also Hoocephali. [ WordNet 1.5 ]

a. Incapable of being exhaled. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

a. [ Cf. F. inhalant. ] Inhaling; used for inhaling. [ 1913 Webster ]

n. An apparatus also called an inhaler (which see); also, that which is to be inhaled, especially a medicine taken by inhalation. [ 1913 Webster +PJC ]

n. [ Cf. F. inhalation. ] The act of inhaling; also, that which is inhaled. [ 1913 Webster ]

a. (Anat.) Between phalanges; as, interphalangeal articulations. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. lei`pesqai to be lacking + kefalh` head. ] (Zool.) Same as Lamellibranchia. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. lisso`s smooth + 'egke`falos the brain. ] (Zool.) A general name for all those placental mammals that have a brain with few or no cerebral convolutions, as Rodentia, Insectivora, etc. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; to loose + &unr_; the brain. ] (Zool.) A group of Mammalia, including the marsupials and monotremes; -- so called because the corpus callosum is rudimentary. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. mo`nos single + qa`lamos a chamber. ] (Zool.) A division of Foraminifera including those that have only one chamber. [ 1913 Webster ]

n. [ See Monothalamous. ] (Zool.) A foraminifer having but one chamber. [ 1913 Webster ]

a. [ Mono- + Gr. qa`lamos chamber: cf. F. monothalame. ] (Zool.) One-chambered. [ 1913 Webster ]

‖n. pl. [ NL. See Myelencephalon. ] (Zool.) Same as Vertebrata. [ 1913 Webster ]

n. (Chem.) A salt of naphthalic acid; a phthalate. [ Obs. ] [ 1913 Webster ]

‖n. [ F. See Nonchalant. ] Indifference; carelessness; coolness. [ 1913 Webster ]

‖a. [ F., fr. non not (L. non) + chaloir to concern one's self for, fr. L. calere to be warm, to be inflamed with desire, to be troubled. See Non-, and Caldron. ] Indifferent; careless; cool. [ 1913 Webster ]