brace noun
1 for supporting a part of the body
ADJ. leg, neck, shoulder
VERB + BRACE have, wear I used to wear a brace.
PREP. ~ on a brace on his teeth
2 braces: for holding trousers up
BRACE + VERB hold sth up, support sth The braces held up his trousers. > Special page at CLOTHES
You can also check other dicts: brace (English, 中文解释 ), wordnet sense, Collins Definition