一いちの腕うでいちのうでじ字FuriganaAudioMeanings1nounupper armarchaicArchaic term for the upper arm, contrasting with 二の腕 (forearm). Rare in modern Japanese; 上腕 (じょうわん) is the common modern equivalent.See also: 二の腕古ふるい文ぶん献けんでは、一いちの腕うでと二にの腕うでを区く別べつして記き述じゅつしている。Break this sentence down in the analyzerIn old documents, a distinction is made between the upper arm and the forearm.
