The Collaborative International Dictionary of English v.0.48:
Black \Black\, v. t. [imp. & p. p. Blacked; p. pr. & vb. n.
Blacking.] [See Black, a., and cf. Blacken.]
1. To make black; to blacken; to soil; to sully.
They have their teeth blacked, both men and women,
for they say a dog hath his teeth white, therefore
they will black theirs. --Hakluyt.
Sins which black thy soul. --J. Fletcher.
2. To make black and shining, as boots or a stove, by
applying blacking and then polishing with a brush.