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The Collaborative International Dictionary of English v.0.48 (gcide)

digit \dig"it\ (d[i^]j"[i^]t), n. [L. digitus finger; prob. akin
to Gr. da`ktylos, of uncertain origin; possibly akin to E.
toe. Cf. {Dactyl}.]
1. (Zool.) One of the terminal divisions of a limb appendage;
a finger or toe.
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The ruminants have the "cloven foot," i. e., two
hoofed digits on each foot. --Owen.
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2. A finger's breadth, commonly estimated to be three fourths
of an inch.
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3. (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.
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Note: By some authorities the symbol 0 is not included with
the digits.
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4. (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.
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digit \dig"it\, v. t.
To point at or out with the finger. [R.]
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