n. 1. A composition for blacking shoes, boots, etc.; also, one for taking impressions of engraved work. [ 1913 Webster ]

2. A ball of black color, esp. one used as a negative in voting; -- in this sense usually two words. [ 1913 Webster ]

v. t. [ imp. & p. p. Blackballed p. pr. & vb. n. Blackballing. ] 1. To vote against, by putting a black ball into a ballot box; to reject or exclude, as by voting against with black balls; to ostracize. [ 1913 Webster ]

He was blackballed at two clubs in succession. Thackeray. [ 1913 Webster ]

2. To blacken (leather, shoes, etc.) with blacking. [ 1913 Webster ]