Meaning of tetra

tet•ra

Pronunciation: (te'tru), [key]
— n.
  1. any of several tropical, freshwater fishes of the family Characidae, often kept in aquariums.

tetra-

Pronunciation: [key]
  1. a combining form meaning “four,” used in the formation of compound words: tetrabranchiate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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