digit

Từ điển American Heritage Dictionary 4th

dig·it (dĭjʹĭt)n.
1.
a. A human finger or toe.
b. A corresponding part in other vertebrates.
2. A unit of length derived from the breadth of a finger and equal to about ³/₄ of an inch (2.0 centimeters).
3.
a. One of the ten Arabic number symbols, 0 through 9.
b. Such a symbol used in a system of numeration. [Middle English, from Latin digitus, finger, toe. See deik- in Indo-European Roots.]

• Từ đồng nghĩa / Synonyms:
  dactyl, finger, fingerbreadth, finger's breadth, figure