'Physeteridae' definitions:
Definition of 'Physeteridae'
(from WordNet)
noun
Sperm whales [syn: Physeteridae, family Physeteridae]
Definition of 'Physeteridae'
From: GCIDE
- Physeteridae \Physeteridae\ prop. n. A natural family of marine mammals that includes the sperm whales.
- Syn: family Physeteridae. [WordNet 1.5]