glochidium

2 definitions found

glochidium - Collaborative International Dictionary of English v.0.48 :

  Glochidium \Glo*chid"i*um\, n.; pl. Glochidia. [NL., fr. Gr. ?
     the point of an arrow.] (Zool.)
     The larva or young of the mussel, formerly thought to be a
     parasite upon the parent's gills.
     [1913 Webster]

glochidium - WordNet (r) 2.1 (2005) :

  glochidium
      n 1: a barbed spine or bristle (often tufted on cacti) [syn:
           glochidium, glochid]