Definition of "Brace" :

noun: a structural member used to stiffen a framework

noun: a carpenter's tool having a crank handle for turning and a socket to hold a bit for boring

noun: an appliance that corrects dental irregularities

noun: a support that steadies or strengthens something else

"He wore a brace on his knee."

noun: elastic straps that hold trousers up (usually used in the plural)

noun: a rope on a square-rigged ship that is used to swing a yard about and secure it

noun: either of two punctuation marks ({ or }) used to enclose textual material

noun: a set of two similar things considered as a unit

noun: two items of the same kind

verb: cause to be alert and energetic

verb: support by bracing

verb: support or hold steady and make steadfast, with or as if with a brace

"Brace your elbows while working on the potter's wheel."

verb: prepare (oneself) for something unpleasant or difficult