Blackball

1. n. A ball of black color, esp. one used as a negative in voting; — in this sense usually two words.
2. n. A composition for blacking shoes, boots, etc.; also, one for taking impressions of engraved work.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.