embrasure

noun em·bra·sure \im-ˈbrā-zhər\

Definition of EMBRASURE

: an opening with sides flaring outward in a wall or parapet of a fortification usually for allowing the firing of cannon

: a recess of a door or window

See embrasure defined for kids

French, from obsolete embraser to widen an opening

First Known Use: 1702

Medical Dictionary

noun em·bra·sure \im-ˈbrā-zhər\

: the sloped valley between adjacent teeth

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