definition of
digit

[1] #1 digit n. [figure] one of the elements that collectively form a system of numeration; "0 and 1 are digits". wn

[2] #2 digit n. [finger, fingerbreadth, finger's breadth] the length of breadth of a finger used as a linear measure. wn

[3] #3 digit n. [dactyl] a finger or toe in human beings or corresponding body part in other vertebrates. wn