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The Collaborative International Dictionary
Gonidia

Gonidium \Go*nid"i*um\, n.; pl. Gonidia. [NL., fr. Gr. ? that which generates.] (Bot.) A component cell of the yellowish green layer in certain lichens.

Wiktionary
gonidia

n. (plural of gonidium English)

WordNet
gonidia

See gonidium