‖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 ]

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. 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 ]

‖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. 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 ]

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

prop. n. A genus of arborial insectivorous birds.
Syn. -- genus Pachycephala. [ WordNet 1.5 ]

‖n. pl. [ NL., fr. Gr. pro`swpon face, appearance + &unr_; head. ] (Zool.) Same as Scaphopoda. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_;&unr_;&unr_; root + &unr_;&unr_;&unr_; head. ] (Zool.) A division of Pectostraca including saclike parasites of Crustacea. They adhere by rootlike extensions of the head. See Illusration in Appendix. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. "ry`gchos snout + kefalh` head.] (Zool.) An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia. [1913 Webster]

‖n. pl. [ NL., fr. Gr. ste`gh roof + kefalh` head. ] (Paleon.) An extinct order of amphibians found fossil in the Mesozoic rocks; called also Stegocephali, and Labyrinthodonta. [ 1913 Webster ]

☞ Their teeth, in transverse sections, usually show a labyrinthiform arrangement of the cement and dentine. The under side of the body was covered with bony plates. Some of the Stegocephala were of very large size, and the form of the body varied from short, stout forms to others that were as slender as serpents. [ 1913 Webster ]