Sea otter \Sea" ot"ter\ (Zo["o]l.) An aquatic carnivore (Enhydris lutris, or marina) found in the North Pacific Ocean. Its fur is highly valued, especially by the Chinese. It is allied to the common otter, but is larger, with feet more decidedly webbed.

Sea-otter's cabbage (Bot.), a gigantic kelp of the Pacific Ocean (Nereocystis Lutkeana). See Nereocystis.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Otter \Ot"ter\, n. [OE. oter, AS. otor; akin to D. & G. otter, Icel. otr, Dan. odder, Sw. utter, Lith. udra, Russ, vuidra, Gr. "y`dra water serpent, hydra, Skr. udra otter, and also to E. water. [root]137, 215. See Water, and cf. Hydra.]

1. (Zo["o]l.) Any carnivorous animal of the genus Lutra, and related genera. Several species are described. They have large, flattish heads, short ears, and webbed toes. They are aquatic, and feed on fish. Their fur is soft and valuable. The common otter of Europe is Lutra vulgaris; the American otter is L. Canadensis; other species inhabit South America and Asia.

2. (Zo["o]l.) The larva of the ghost moth. It is very injurious to hop vines.

Otter hound, Otter dog (Zo["o]l.), a small breed of hounds, used in England for hunting otters.

Otter sheep. See Ancon sheep, under Ancon.

Otter shell (Zo["o]l.), very large bivalve mollusk (Schizoth[ae]rus Nuttallii) found on the northwest coast of America. It is excellent food, and is extensively used by the Indians.

Sea otter. (Zo["o]l.) See in the Vocabulary.

Source: Webster's Revised Unabridged Dictionary (1913)