Meaning of porpoise
Pronunciation: (pôr'pus), [key]
— n., pl. v., -poise, -pois•es, -poised, -pois•ing.
- any of several small, gregarious cetaceans of the genus Phocoena, usually blackish above and paler beneath, and having a blunt, rounded snout, esp. the common porpoise, P. phocoena, of both the North Atlantic and Pacific.
- any of several other small cetaceans, as the common dolphin, Delphinus delphis.
- (of a speeding motorboat) to leap clear of the water after striking a wave.
- (of a torpedo) to appear above the surface of the water.
- to move forward with a rising and falling motion in the manner of a porpoise: The car has a tendency to porpoise when overloaded.
- porpoise (Thesaurus)