- Bot. a barbed hair or bristle, as on certain cactuses or on the spore masses of ferns
- Zool. the parasitic larval stage of freshwater mussels (family Unionidae) which infests the gills, etc. of many fishes
Origin of glochidiumModern Latin from Classical Greek gl?chis, point (see gloss) + Modern Latin -idium, diminutive suffix from Classical Greek -idion
The parasitic larva of most freshwater mussels, having hooks for attaching to the gills or other external parts of a host fish.
Origin of glochidiumNew Latin glōchidium Greek glōkhīs barb of an arrow Latin -idium diminutive suff. ( from Greek -idion )
Ancient Greek the point of an arrow.