Pronunciation: (pek'tun), [key]
—pl. -tens, -ti•nesPronunciation: (-tu-nēz"). [key]
1. Zool., Anat.
a. a comblike part or process.
b. a pigmented vascular membrane with parallel folds suggesting the teeth of a comb, projecting into the vitreous humor of the eye in birds and reptiles.
2. any bivalve mollusk of the genus Pecten; scallop.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.