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glochidium

[gloh-kid-ee-uh m]
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noun, plural glo·chid·i·a [gloh-kid-ee-uh] /gloʊˈkɪd i ə/.
  1. glochid.
  2. the larva of a freshwater mussel of the family Unionidae that lives as a temporary parasite in the gills or on other external parts of fishes.

Origin of glochidium

1895–1900; < New Latin < Greek glōch(ís) point of an arrow + -idion diminutive suffix
Related formsglo·chid·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for glochidia

glochidium

noun plural -chidia (-ˈkɪdɪə)
  1. a barbed hair, esp among the spore masses of water ferns and on certain other plants
  2. a parasitic larva of certain freshwater mussels that attaches itself to the fins or gills of fish by hooks or suckers
Derived Formsglochidiate, adjective

Word Origin

C19: from New Latin, from Greek glōkhis projecting point
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012