birdsmouth

名词 n. 动词 v.
中文释义
英 /ˈbɜːdsmaʊθ/    美 /ˈbɝdsmaʊθ/

英文释义

名词 n.
  1. A notch cut into the underside of a rafter to ensure that it does not move when resting on the wall plate running across the top of a wall; a similar notch in other timber components.
    — Support the veneer stack on a ¾-in.-thick board with a narrow V notch cut into one edge. This board is called a birds-mouth, and the V notch provides clearance for the blade while the work is supported for cutting.
动词 v.
  1. To cut a birdsmouth into a rafter or similar timber component.
    — The end of the common rafter is birdsmouthed and nailed to the pole plate.

词形变化

birdsmouths plural bird's mouth alternative birdmouth alternative birdsmouths present,singular,third-person birdsmouthing participle,present birdsmouthed participle,past birdsmouthed past bird's mouth alternative birdmouth alternative

词源

词源 1
From bird + -s- + mouth, from its appearance.
词源 2
From bird + -s- + mouth, from its appearance.
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