(countable) A small carnivorous mammal of the Old World that resembles a weasel, Martes zibellina, from cold regions in Eurasia and the North Pacific islands, valued for its dark brown fur (Wikipedia).

(countable) The marten, especially Martes americana (syn. Mustela americana).

(countable and uncountable) The fur or pelt of the sable or other species of martens; a coat made from this fur.

(countable) An artist's brush made from the fur of the sable (Wikipedia).

(heraldry) A black colour on a coat of arms (Wikipedia).

(countable and uncountable) A dark brown colour, resembling the fur of some sables.

(in the plural, sables) Black garments, especially worn in mourning.

The sablefish.

Of the black colour sable.

(heraldry) : In blazon, of the colour black.

Made of sable fur.

Dark, somber.