an aquatic fish-eating mammal with webbed and clawed feet, a long streamlined body, and dark brown fur
any of several species of aquatic fish-eating mammals related to the weasels that have webbed and clawed feet, a long streamlined body, and dark brown fur: genus Lutra and other genera
the fur of an otter
a piece of fishing tackle consisting of a submerged board to which baited lines are attached
[Old English otor]