/ ˈdɪdʒɪt; NAmE / noun
1.
any of the numbers from 0 to 9 :
The number 57306 contains five digits.
a four-digit number
2.
( anatomy ) a finger, thumb or toe
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WORD ORIGIN
late Middle English : from Latin digitus finger, toe; sense 1 arose from the practice of counting on the fingers.