To Be Bent
To Bend, To Curve, To Turn
intransitive verb, godan verb
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means both music and bend. In the case of this word, we're looking at "bend." So, the verb form of bend is to be bent. This is when something bends on its own, not when you're doing the bending. It's just bending.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You already learned this reading with 曲げる, so you should be good to go!
この道を右に曲がると、コンビニがあります。
Turn right on this road and you'll find a convenience store.
足首が曲がっている気がするんです。
I feel like my ankle is bent.
そのマスタード色のネクタイ、ちょっと曲がってるよ。
Your mustard-colored necktie is a bit crooked.