noun
The part of the body from shoulder to wrist. In everyday Japanese, 腕 often refers to the whole arm, while 手 is used for the hand.
彼は腕を骨折した。
He broke his arm.
赤ちゃんを腕に抱く。
Hold a baby in one's arms.
noun
Refers to practical ability, skill, or talent, often in a professional or technical context. Common in phrases like 腕がいい (skilled) and 腕を磨く (to improve one's skills).
彼は料理の腕がいい。
He is a good cook.
もっと腕を磨きたい。
I want to improve my skills more.
noun
physical strength; arm strength
Specifically refers to physical power or strength of the arm. Often used in contexts like arm wrestling or lifting.