index finger

US /ˈɪn.deks ˌfɪŋ.ɡər/
UK /ˈɪn.deks ˌfɪŋ.ɡər/
"index finger" picture
1.

the finger next to the thumb; the forefinger

:
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He pointed with his index finger.
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She held up her index finger to signal 'one moment'.
:
forefinger
:
indexfingerfingeringindex cardstock indexindex fundfinger-painting