Definition of brace up in US English:

brace up

phrasal verb

  • Be strong or courageous.

    • ‘She practically had ‘I drink Taster's Choice’ stamped on her forehead but I braced up and said, ‘Yes, every day.’’
    • ‘Not that it bothered Liv, but she finds it amusing whenever some of the girls come up to her and encourage her, saying stuff like, ‘Liv, don't let it get to you, brace up, all right?’’
    • ‘So Bill braced up enough to give the kid a weak sort of a smile and a promise to play the Russian in a Japanese war with him as soon as he felt a little better.’