To ostracize.
To vote against, especially in an exclusive organization.
A black ball used to indicate such a negative vote.
A rejection; a vote against admitting someone.
A kind of large black sweet; a niggerball.
A game, a standardized version of the English version of eight-ball.
A substance for blacking shoes, boots, etc. or for taking impressions of engraved work.
To prevent from scoring; to perform a shutout.
To hide from sight.
To refuse to be open and vulnerable toward.
To prevent from entering; to block or exclude.