Synonyms for Digit (same or very similar meaning)
WordNet sense 1 (one of the elements that collectively form a system of numeration):
figure
WordNet sense 2 (the length of breadth of a finger used as a linear measure):
finger, fingerbreadth, finger's breadth
WordNet sense 3 (a finger or toe in human beings or corresponding body part in other vertebrates):
dactyl
From the ODE community, based on WordNet
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