(drab) adjective
1. Dull; colorless.
2. Of the color drab.
3. Made of drab. [<noun]
—noun
1. A yellow-gray color.
2. A special kind of cloth so colored. [<F drap cloth <LL drappus,? <Gmc.]
—drab′ly adverb
—drab′ness noun

(drab) noun
A slattern; a slut.
—v.i. drabbed, drab·bing To associate with drabs. [Cf. Irish drabog a slattern]

(drab) noun
In the manufacture of salt, a box for draining salt. [Origin unknown]