Jōyō kanji, Taught in junior high
Stroke count: 4
Meaning: be bent, slope, capture
Kunyomi: かぎ ま.がる
Onyomi: コウ ク
Composition: 勹 厶
Radical: 勹
Meaning: wrap, embrace
勾配 （コウバイ） slope, incline, gradient, grade, pitch, slope (of a linear function), gradient (vector calculus)
勾引 （コウイン） arrest, custody, apprehending, abduction