上腕(じょうわん) じょうわん noun upper arm (anatomical) body-part 1. upper arm (anatomical) The anatomical term for the part of the arm between the shoulder and the elbow. More technical than 二(に)の腕(うで), the everyday word for the same area. 上腕(じょうわん)の筋肉(きんにく)をきたえる。🔊 to train the upper-arm muscles. 注射(ちゅうしゃ)は上腕(じょうわん)に打(う)つことが多(おお)い。🔊 Injections are often given in the upper arm. 上腕(じょうわん)には力(ちから)こぶを作(つく)る筋肉(きんにく)がある。🔊 The upper arm contains the muscle that forms the biceps bulge. The anatomical term for the part of the arm between the shoulder and the elbow. Used in medical and fitness contexts.Common collocations上腕(じょうわん)二頭筋(にとうきん): biceps上腕(じょうわん)の筋肉(きんにく): upper-arm musclesSimilar words二(に)の腕(うで): upper arm — everyday, non-technical term前腕(ぜんわん): forearm — the part below the elbow Related Words Compare: 二(に)の腕(うで) (upper arm) Compare: 前腕(ぜんわん) (forearm) general Added 2026.7.10 6:19 · Revised 2026.9.2 13:02 29500/29742_jouwan