The definition of a digit is a number from 0 to 9, or a finger or toe.
(noun)See digit in Webster's New World College Dictionary
noun
Origin: ME < L digitus, a finger, toe, inch < IE base *deik-, to show, point > L dicere, to say: see diction
See digit in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Latin digitus, finger, toe; see deik- in Indo-European roots
.Learn more about digit