1 bracket, stiffener, reinforcement, reinforcer, support, buttress, prop, stay, strut, truss:
Two steel braces have been installed to steady the columns.
He bored three holes in the wood with his brace and auger.
3 clasp, clamp, buckle, fastener, clip, holdfast, catch, coupler, coupling:
Another brace will be needed here to strengthen the handle.
4 pair; couple, span, team (of two):
A brace of duelling pistols was sold at auction last week for $20,000. Her carriage was drawn by a brace of palominos.
5 steady, reinforce, support, strengthen, prop or shore up:
Iron bars are used to brace the arches.
6 brace oneself. steady or gird or prepare oneself; hold or hang on:
I braced myself against the likelihood that she would refuse.