'Herring hog' definitions:

Definition of 'herring hog'

(from WordNet)
noun
The common porpoise of the northern Atlantic and Pacific [syn: harbor porpoise, herring hog, Phocoena phocoena]

Definition of 'Herring hog'

From: GCIDE
  • Herring \Her"ring\ (h[e^]r"r[i^]ng), n. [OE. hering, AS. h[ae]ring; akin to D. haring, G. h[aum]ring, hering, OHG. haring, hering, and prob. to AS. here army, and so called because they commonly move in large numbers. Cf. Harry.] (Zool.) One of various species of fishes of the genus Clupea, and allied genera, esp. the common round or English herring (Clupea harengus) of the North Atlantic. Herrings move in vast schools, coming in spring to the shores of Europe and America, where they are salted and smoked in great quantities. [1913 Webster]
  • Herring gull (Zool.), a large gull which feeds in part upon herrings; esp., Larus argentatus in America, and {Larus cachinnans} in England. See Gull.
  • Herring hog (Zool.), the common porpoise.
  • King of the herrings. (Zool.) (a) The chim[ae]ra (Chimaera monstrosa) which follows the schools of herring. Called also rabbit fish in the U. K. See Chim[ae]ra. (b) The opah. [1913 Webster]