Pteroglossal :: Pteroglossal (a.) Having the tongue finely notched along the sides, so as to have a featherlike appearance, as the toucans..
Pteron :: Pteron (n.) The region of the skull, in the temporal fossa back of the orbit, where the great wing of the sphenoid, the temporal, the parietal, and the frontal hones approach each other..
Pteropoda :: Pteropoda (n. pl.) A class of Mollusca in which the anterior lobes of the foot are developed in the form of broad, thin, winglike organs, with which they swim at near the surface of the sea..
Pteropodous :: Pteropodous (a.) Of or pertaining to the Pteropoda.
Pterosauria :: Pterosauria (n. pl.) An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also Pterodactyli, and Ornithosauria..
Pterosaurian :: Pterosaurian (a.) Of or pertaining to the Pterosauria.
Pterostigma :: Pterostigma (n.) A thickened opaque spot on the wings of certain insects.
Pterotic :: Pterotic (a.) Of or pertaining to, or designating, a bone between the prootic and epiotic in the dorsal and outer part of the periotic capsule of many fishes..
Strepsipterous :: Strepsiptera (n. pl.) A group of small insects having the anterior wings rudimentary, and in the form of short and slender twisted appendages, while the posterior ones are large and membranous. They are parasitic in the larval state on bees, wasps, and the like; -- called also Rhipiptera. See Illust. under Rhipipter..