Found 2 items, similar to glochidium.
English → English (WordNet) Definition: glochidium glochidium n : a barbed spine or bristle (often tufted on cacti) [syn: glochid] [also: glochidia (pl), glochidcia (pl)]
English → English (gcide) Definition: Glochidium Glochidium \Glo*chid"i*um\, n.; pl. Glochidia. [NL., fr. Gr. ? the point of an arrow.] (Zo["o]l.) The larva or young of the mussel, formerly thought to be a parasite upon the parent's gills. [1913 Webster]