WordNet: porpoise

any of several small gregarious cetacean mammals having a blunt snout and many teeth

• hypernym dolphin

• hyponym Phocoena phocoena, harbor porpoise, herring hog

• hyponym Phocoena sinus, vaquita

• member holonym Phocoena, genus Phocoena

porpoise

• (suomi) pyöriäinen (synonyymi)