Top matchくさび楔kusabiNounwedge; chock; linchpin; lynchpinねじ、てこ、くさび、滑車などは単一機械と呼ばれる。The screw, the lever, the wedge, the pulley, etc. are called simple machines.tie; bondAlso written 轄【くさび】kusabiCopy Listen Pitch on OJAD Explore