腕うで首くびうでくびMeanings1nounwristrare termRare synonym for 手首 (てくび). Mostly encountered in older texts or as a variant; modern speakers use 手首.See also: 手首古ふるい文ぶん献けんでは「腕うで首くび」と書かいて「うでくび」と読よませることがある。In old documents, 腕首 is sometimes used to represent うでくび.