branchia
NounSynonyms:
gill
WordNet 3.0
Noun (1)
- respiratory organ of aquatic animals that breathe oxygen dissolved in waterSynonyms: gill
Webster's Dictionary (GCIDE)
Branchia \Bran"chi*a\, n.; pl. Branchi[ae]. [L., fr. Gr. ?, pl. of ?.] (Anat.) A gill; a respiratory organ for breathing the air contained in water, such as many aquatic and semiaquatic animals have. [1913 Webster]