sa·ble 
(sābəl)
(sābəl)n.
1.
a. A mustelid mammal (Martes zibellina) of northern Eurasia, having soft dark commercially valuable fur.
b. The pelt or fur of this animal.
c. The similar fur of other species of martens.
2.
a. The color black, especially in heraldry.
b. sables Black garments worn in mourning.
3. A grayish yellowish brown.
4. A sablefish.
adj.
1. Of a grayish yellowish brown.
2. Of the color black, as in heraldry or mourning.
3. Dark; somber.
4. Of the fur of the sable: a sable coat.
[Middle English, from Old French, sable fur, from an Old Low Franconian source akin to Middle High German sabel, sable, ultimately from a Slavic source such as Old Russian sobolĭ; akin to Middle Persian samōr and Parthian simōr.]