Bible Dictionaries
Bird's-Mouth

Webster's Dictionary

(n.) An interior angle or notch cut across a piece of timber, for the reception of the edge of another, as that in a rafter to be laid on a plate; - commonly called crow's-foot in the United States.

Bibliography Information
Webster, Noah. Entry for 'Bird's-Mouth'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​b/birds-mouth.html. 1828.