‖n. pl. [ NL., fr. Gr.&unr_; feathered + &unr_; tongue. ] (Zool.) A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather. [ 1913 Webster ]

a. (Zool.) Of or pertaining to the Ptenoglossa. [ 1913 Webster ]

n. [ Gr. &unr_; wing + &unr_; priv. + &unr_;, &unr_;, a tooth. ] (Paleon.) A genus of American Cretaceous pterodactyls destitute of teeth. Several species are known, some of which had an expanse of wings of twenty feet or more. [ 1913 Webster ]

‖n. pl. [ NL. ] (Paleon.) A group of pterodactyls destitute of teeth, as in the genus Pteranodon. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; wing + &unr_; fish. ] (Paleon.) A genus of Devonian fossil fishes with winglike appendages. The head and most of the body were covered with large bony plates. See Placodermi. [ 1913 Webster ]

n. One who is versed in pteridology. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, a fern + -logy. ] That department of botany which treats of ferns. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, a fern + E. mania. ] A madness, craze, or strong fancy, for ferns. [ R. ] C. Kingsley. [ 1913 Webster ]

‖n. pl. [ NL., from Gr. &unr_;, &unr_;, a fern + &unr_; a plant. ] (Bot.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia. -- Pter"i*do*phyte` n. [1913 Webster]

☞ This is a modern term, devised to replace the older ones acrogens and vascular Cryptogamia. [1913 Webster]

‖n. pl. [ NL., fr. Gr. &unr_; a wing + &unr_; &unr_;. ] (Zool.) An order of marine Bryozoa, having a bilobed lophophore and an axial cord. The genus Rhabdopleura is the type. Called also Podostomata. See Rhabdopleura. [ 1913 Webster ]