Ot"ter (?), n. [OE. oter, AS. Otor; akin to D. & G. otter, Icel. otr, Dan. odder, Sw. utter, Lith. udra, Russ, vuidra, Gr. water serpent, hydra, Skr. udra otter, and also to E. water. 137, 215. See Water, and cf. Hydra.]
1. Zool.
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. Zool.
The larva of the ghost moth. It is very injurious to hop vines.
Otter hound, Otter dog Zool., a small breed of hounds, used in England for hunting otters. -- Otter sheep. See Ancon sheep, under Ancon. -- Otter shell Zool., very large bivalve mollusk (Schizothaerus Nuttallii) found on the northwest coast of America. It is excellent food, and is extensively used by the Indians. -- Sea otter. Zool. See in the Vocabulary.
© Webster 1913.
Ot"ter, n.
A corruption of Annotto.
© Webster 1913.