To Lean Something, To Tilt Something
transitive verb, ichidan verb
Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means lean and the verb vocab version means to lean something.
かたむける
You learned this reading already with 傾く, so remember that and you'll know this one too!
みんな、コウイチの話に、一心に耳を傾けた。
People hung on Koichi’s every word.