principalbrace
nounUK /ˈprɪnsəpəl breɪs/
US /ˈprɪnsəpəl breɪs/
A principal brace is a strong support that holds something important in place.
The carpenter used a principal brace to keep the shelf steady.
RELATED WORDS
OTHER MEANINGS
2. The main structural brace in a building or framework.
Engineers inspected the principal brace of the old barn.
3. A primary dental brace used to straighten front teeth.
The orthodontist adjusted the principal brace on her upper teeth.
4. A key tension brace in a musical instrument or tool.
He tightened the principal brace before playing the guitar.