Pronunciation: (ten'tu-kul), [key]
1. Zool.any of various slender, flexible processes or appendages in animals, esp. invertebrates, that serve as organs of touch, prehension, etc.; feeler.
2. Bot.a sensitive filament or process, as one of the glandular hairs of the sundew.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.