Glochidium Definition

glō-kĭdē-əm
glochidia
noun
glochidia
A barbed hair or bristle, as on certain cactuses or on the spore masses of ferns.
Webster's New World
The parasitic larval stage of freshwater mussels (family Unionidae) which infests the gills, etc. of many fishes.
Webster's New World
Synonyms:

Other Word Forms of Glochidium

Noun

Singular:
glochidium
Plural:
glochidia

Origin of Glochidium

  • New Latin glōchidium Greek glōkhīs barb of an arrow Latin -idium diminutive suff. (from Greek -idion)

    From American Heritage Dictionary of the English Language, 5th Edition

  • Ancient Greek the point of an arrow.

    From Wiktionary

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glochidium