noun
prop; support stick
A stick or pole used to prop something up, such as a door, window, or leaning object. Often used in everyday contexts.
See also: 支え棒
風で窓が閉まらないように、つっかえ棒をしておいた。
I propped the window open with a stick so it wouldn't close in the wind.
重い扉が倒れないように、つっかえ棒で支えた。
I supported the heavy door with a prop so it wouldn't fall over.