拳 means “fist”

こぶし · kobushi

Kun'yomi (Japanese reading)
こぶし
On'yomi (Chinese reading)
ケン, ゲン

JLPT N1 · Taught in secondary school · 10 strokes

The story

A hand (手) under the top of 巻, roll up: fingers curled tight. 拳 is a fist, 拳銃 is a handgun, and 太極拳, tai chi, is the slow art seen in parks at dawn. Don't mix it up with 挙, raise, whose top is different.

Used in 拳 (kobushi, fist), 拳銃 (kenjuu, handgun), and 太極拳 (taikyokuken, tai chi)

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Readings from KANJIDIC2, © EDRDG, CC BY-SA.