Nemathecium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [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