ball breaker


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ball breaker

[′bȯl ¦brāk·ər]
(engineering)
A steel or iron ball that is hoisted by a derrick and allowed to fall on blocks of waste stone to break them or to swing against old buildings to demolish them. Also known as skull cracker; wrecking ball.
A coring and sampling device consisting of a hollow glass ball, 3 to 5 inches (7.5 to 12.5 centimeters) in diameter, held in a frame attached to the trigger line above the triggering weight of the corer; used to indicate contact between corer and bottom.

wrecking ball, skull cracker

A heavy steel ball used in structural demolition; usually swung or dropped from a crane or derrick.
References in periodicals archive ?
Tomorrow night, a Channel 4 programme, Ball Breakers on the Box, charts the on-screen evolution of powerful women.
t bo for dr co wi pe elected, So while a male boss will be admired being macho, driven and a tough cookie, a female one with a similar personality gets called an aggressive ball breaker.
August 4: Total Warrior event: 10k run with a number of obstacles including The Human BBQ, The Grand National, The Ball Breaker and The Shocker.
But, about a month later, the missing piece was found with a note attached saying: "Please return Bill's ball to Ballyb as I have no more use for it, signed the ball breaker.
He has a reputation for being a ball breaker around the negotiating table too, something even old Delia should keep in mind.