(ˌ) ̷ ̷ˌ ̷ ̷ˈbrä noun
( plural cha·peaux bras -ō(z)ˈb-)
Etymology: French chapeau hat + bras arm, from Latin bracchium — more at brace
: a bicorne or a modified tricorne that is often folded and carried under the arm as part of ceremonial, diplomatic, or naval dress