finger

A finger is a digit on your hand or anything that looks like or functions like a finger. (noun)

To finger is to point at someone with blame. (verb)

An example of to finger is to identify a criminal in a police lineup.

To finger is to touch. (verb)

An example of to finger is to run your hands along a coat at a store.

See finger in Webster's New World College Dictionary

noun

any of the five jointed parts projecting from the palm of the hand; esp., any of these other than the thumb
the part of a glove that covers one of these parts
anything resembling a finger in shape or use
☆ a rough unit of measure based on
1. the breadth of a finger ( inch to 1 inch), as in measuring whiskey in a glass
2. Now Rare the length of a man's middle finger (about 4 inches)
Mech. a projecting part coming into contact with another part and controlling its motion

transitive verb

to touch or handle with the fingers; use the fingers on
Now Rare to take; steal
☆ to point out; indicate or designate, specif. in senses of put the finger on (see phrase below)
Music
1. to play (an instrument, chord, etc.) by using the fingers in a certain way or sequence on strings, keys, etc.
2. to mark (a score) with directions for the way to use the fingers

intransitive verb

See finger in American Heritage Dictionary 4

(fĭngˈgər)

noun

One of the five digits of the hand, especially one other than the thumb.
The part of a glove designed to cover a finger.
Something, such as an oblong peninsula, that resembles one of the digits of the hand.
The length or width of a finger.
A degree of participation; a share: “seems almost sure to have a finger or two in crafting the final blueprint” (George B. Merry).
An obscene gesture of defiance or derision made by pointing or jabbing the middle finger upward. Often used with the.

verb fin·gered, fin·ger·ing, fin·gers

verb, transitive

To touch with the fingers; handle. See Synonyms at touch.
Music
a. To mark (a score) with indications of which fingers are to play the notes.
b. To play (an instrument) by using the fingers in a particular order or way.
Slang
a. To inform on.
b. To designate, especially as an intended victim.