示じ指しじしMeanings1nounindex finger; forefingerAnatomical term for the index finger; in everyday conversation, 人差し指 is more common.See also: 人差し指示じ指しは人ひと差さし指ゆびの医い学がく的てきな呼よび方かたです。示指 is the medical term for the index finger.