Entry 1 sense Webster, 1913 Forefinger /fôr'-fĭngˌ-gẽr/ · Fore·fin·ger · IPA /ˈfɔɹˌfɪŋ.ɡɚ/ 01 n. The finger next to the thumb; the index finger. 1. The finger next to the thumb; the index finger.