蝶番, ヒンジ
a movable joint or mechanism on which a door, gate, or lid swings as it opens and closes or which connects two parts so that one can swing relative to the other
:
• The door creaked on its rusty hinges.
ドアは錆びた蝶番で軋んだ。
• He adjusted the hinge on the cabinet door.
彼は戸棚のドアの蝶番を調整した。