Definitions:
cause or allow (liquid) to flow over the edge of its container, especially unintentionally

reveal (confidential information) to someone

cause to fall off a horse or bicycle

(in the context of ball games) drop (the ball).

let (wind) out of a sail, typically by slackening the sheets.

a quantity of liquid that has spilled or been spilt

a fall from a horse or bicycle.

a vacating of all or several posts in a cabinet or parliamentary party to allow reorganization after an important change of office.

a thin strip of wood or paper used for lighting a fire, candle, etc.