See more synonyms for digit on Thesaurus.com
  1. a finger or toe.
  2. the breadth of a finger used as a unit of linear measure, usually equal to 3/4 inch (2 cm).
  3. any of the Arabic figures of 1 through 9 and 0.
  4. any of the symbols of other number systems, as 0 or 1 in the binary.
  5. index(def 6).
  6. Astronomy. the twelfth part of the sun's or moon's diameter: used to express the magnitude of an eclipse.

Origin of digit

1350–1400; Middle English < Latin digitus finger, toe
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for digit

Historical Examples of digit

British Dictionary definitions for digit


  1. a finger or toe
  2. Also called: figure any of the ten Arabic numerals from 0 to 9
  3. another name for finger (def. 4)
  4. astronomy one twelfth of the diameter of the sun or moon, used to express the magnitude of an eclipse

Word Origin for digit

C15: from Latin digitus toe, finger
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for digit

late 14c., "numeral below 10," from Latin digitus "finger or toe" (also with secondary meanings dealing in counting and numerals), related to dicere "tell, say, point out" (see diction). Numerical sense is because numerals under 10 were counted on fingers. The "finger or toe" sense in English is attested from 1640s.

Online Etymology Dictionary, © 2010 Douglas Harper

digit in Medicine


  1. A finger or toe; dactyl.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

digit in Science


  1. Anatomy A jointed body part at the end of the limbs of many vertebrates. The limbs of primates end in five digits, while the limbs of horses end in a single digit that terminates in a hoof. The fingers and toes are digits in humans.
  2. Mathematics One of the ten Arabic numerals, 0 through 9.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.