agile slender-bodied arboreal mustelids somewhat larger than weasels
source: WordNet 3.0
A bird. See Martin.
source: Webster 1913
Any one of several fur-bearing carnivores of the genus Mustela, closely allied to the sable. Among the more important species are the European beech, or stone, marten (Mustela foina); the pine marten (M. martes); and the American marten, or sable (M. Americana), which some zoölogists consider only a variety of the Russian sable.