Source : Webster's Revised Unabridged Dictionary (1913)

Physeter \Phy*se"ter\, n. [L., fr. Gr. ?, fr. ? to blow: cf. F.
   phys['e]t[`e]re.]
   1. (Zo["o]l.) The genus that includes the sperm whale.

   2. A filtering machine operated by air pressure.

Source : WordNet®

Physeter
     n : type genus of the Physeteridae [syn: {genus Physeter}]