'Lungfish' definitions:
Definition of 'lungfish'
(from WordNet)
noun
Air-breathing fish having an elongated body and fleshy paired fins; certain species construct mucus-lined mud coverings in which to survive drought
Definition of 'Lungfish'
From: GCIDE
- Lungfish \Lung"fish`\, n. (Zool.) Any fish belonging to the Dipnoi; -- so called because they have both lungs and gills. [1913 Webster]