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from the GNU version of the Collaborative International Dictionary of English

  • 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.

from The Century Dictionary and Cyclopedia

  • n. In carpentry, an interior angle or notch cut across the grain at the extremity of a piece of timber, for its reception on the edge of another piece.


Sorry, no etymologies found.


  • If the logs are squared, cut a small bird's-mouth notch in the rafter where it extends over the side-plate logs of the pen and bevel the top end of your gable rafters to fit against the ridge-pole as in the diagrams.

    Shelters, Shacks and Shanties


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