index finger

forefinger, first finger after the thumb

The second digit of a human hand is also referred to as the index finger, pointer finger, forefinger, digitus secundus, or digitus II. It is located between the first and third digits - that is, between the thumb and the middle finger. It is usually the most dextrous and sensitive finger of the hand, though not the longest. It may be used to point to things, for hunt and peck typing, to press an elevator button, or to tap on a window. A lone index finger often is used to represent the number 1, or when held up or moved side to side (finger-wagging), it can be an admonitory gesture. With the hand held palm out, it represents the letter d in the American Sign Language alphabet. In sports, it can also represent victory, as some championship-winning teams raise their index finger while posing for a championship team photo.
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Index finger n. The finger next to the thumb. Also called first finger, forefinger. [more]Index finger - Community and Resources

Noun
1. the finger next to the thumb
(synonym) index, forefinger
(hypernym) finger

index finger /'indeks'fiɳgə/
danh từ ngón tay trỏ
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