Trichite

Part of speech: noun (n.)

1. A kind of crystallite resembling a bunch of hairs, common in obsidian. See Illust. of Crystallite.

2. A delicate, hairlike siliceous spicule, found in certain sponges. Trichite sheaf (Zoöl.), one of the small sheaflike fascicles of slender setæ characteristic of certain sponges. See Illust. under Spicule.