'Dipnoi' definitions:
Definition of 'Dipnoi'
From: WordNet
noun
Bony fishes of the southern hemisphere that breathe by a modified air bladder as well as gills; sometimes classified as an order of Crossopterygii [syn: Dipnoi, subclass Dipnoi]
Definition of 'Dipnoi'
From: GCIDE
- Dipnoi \Dip"no*i\, n. pl. [NL., fr. Gr. ? ? with two breathing apertures; di- = di`s- twice + ? breath.] (Zool.) A group of ganoid fishes, including the living genera Ceratodus and Lepidosiren, which present the closest approximation to the Amphibia. The air bladder acts as a lung, and the nostrils open inside the mouth. See Ceratodus, and Illustration in Appendix. [1913 Webster]