breaker bar

== English == === Etymology === Open compound noun, break +‎ -er + bar. === Noun === breaker bar (plural breaker bars) (mechanical trades) A heavy-duty handle, typically long and with a nonratcheting head, that turns a socket to break loose nuts and bolts that are very tightly fastened. (mechanical trades) A bar inside a hammer mill against which the milled material is thrown by the hammers; the material breaks upon hitting it. === See also === cheater