'Nemathecium' definitions:

Definition of 'Nemathecium'

From: GCIDE

Nemathecium \Nem`a*the"ci*um\ (? or ?), n.; pl. Nemathecia. [NL., fr. Gr. nh^ma a thread + ? a box.] (Bot.) A peculiar kind of fructification on certain red algae, consisting of an external mass of filaments at length separating into tetraspores. [1913 Webster] Nemathelminthes