Webster's Revised Unabridged Dictionary · 1913

Breaker

Breaker ({not transcribed}) , noun

1.
One who, or that which, breaks.
I'll be no breaker of the law. — Shakespeare
2.
Specifically: A machine for breaking rocks, or for breaking coal at the mines; also, the building in which such a machine is placed.
3.
(Nautical) A small water cask. — Totten
4.
A wave breaking into foam against the shore, or against a sand bank, or a rock or reef near the surface.
The breakers were right beneath her bows. — Longfellow
5.
a quarry worker who splits off blocks of stone.