digit

digit is defined in Webster's Unabridged Dictionary (1913) with 4 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A finger's breadth, commonly estimated to be three fourths of an inch.
  2. 2.(Math.) One of the ten figures or symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, by which all numbers are expressed; -- so called because of the use of the fingers in counting and computing. Note: By some authorities the symbol 0 is not included with the digits.
  3. 3.(Anat.) One twelfth part of the diameter of the sun or moon; -- a term used to express the quantity of an eclipse; as, an eclipse of eight digits is one which hides two thirds of the diameter of the disk.
  4. 4.To point at or out with the finger. [R.]

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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