What does "sable" mean?

Additional senses

1. 2.A mouring garment; a funeral robe; -- generally in the plural. "Sables wove by destiny." Young.
2. 3.(Her.) The tincture black; -- represented by vertical and horizontal lines each other.
3. 4.Of the color of the sable's fur; dark; black; -- used chiefly in poetry. Night, sable goddess! from her ebon throne, In rayless majesty, now stretches forth Her leaden scepter o'er a slumbering world. Young. Sable antelope (Zoöl.), a large South African antelope (Hippotragus niger). Both sexes have long, sharp horns. The adult male is black; the female is dark chestnut above, white beneath. -- Sable iron, a superior quality of Russia iron; -- so called because originally stamped with the figure of a sable. -- Sable mouse (Zoöl.), the lemming.
4. 5.To render sable or dark; to drape darkly or in black. Sabled all in black the shady sky. G. Fletcher.