(baseball, slang) A hard-hit batted ball hit straight at a fielder in the air for an out.

(rowing, canoeing, kayaking, sweeping, sculling) A rubberized ball placed on the bow of the boat to protect others from collisions with the pointed end of the bow.

plural of ball ache

plural of ball valve

plural of ball pen

plural of ball-buster

plural of ball mill

plural of ball cock

plural of ball club

(dated) Alternative spelling of cannonball