Rare spelling of time ball.

A large wooden or metal ball that drops at a predetermined time to enable sailors to check their marine chronometers from their boats offshore.

A small, malleable toy ball filled with soft material, used to relieve muscle tension in one's palm and hand and alleviate general feelings of anxiety.

An old country game, similar in some respects to cricket and rounders, and chiefly played by young men or women at Eastertide. / A ball used in the game of stool-ball.

A heavy steel ball, usually hung from a crane, that is used for demolishing large buildings.

(slang) A baseball strategy that relies on baserunning, singles, and hitting for average rather than hitting home runs.

A type of juggling ball with a hard, shiny outer shell, filled with sand or another filler material, and designed to be more visible than beanbags.

(juggling) A type of hollow juggling ball with a hard, shiny outer shell, designed to be more visible than beanbags.

A form of pool in which players must hit with the cue ball the object ball with the lowest numerical value, but may legally pot any ball apart from the white; whichever player pots the nine ball wins the game.

(topology, mathematical analysis, restricted to metric spaces) The set of all points in a metric space whose distance from a given point ("the open ball's center") is less than a given length ("the open ball's radius").