1.  digit(n = noun.quantity) figure - one of the elements that collectively form a system of numeration; "0 and 1 are digits"
is a kind of integer, whole number
has particulars: binary digit, octal digit, decimal digit, duodecimal digit, hexadecimal digit, significant digit, significant figure, 0, cipher, cypher, nought, zero, 1, ace, i, one, single, unity, 2, deuce, ii, two, 3, deuce-ace, iii, leash, tercet, ternary, ternion, terzetto, three, threesome, tierce, trey, triad, trine, trinity, trio, triplet, troika, 4, four, foursome, iv, little joe, quadruplet, quartet, quatern, quaternary, quaternion, quaternity, tetrad, 5, cinque, fin, five, fivesome, little phoebe, pentad, phoebe, quint, quintet, quintuplet, v, 6, captain hicks, half a dozen, hexad, sestet, sextet, sextuplet, sise, six, sixer, vi, 7, heptad, septenary, septet, seven, sevener, vii, 8, eight, eighter, eighter from decatur, octad, octet, octonary, ogdoad, viii, 9, ennead, ix, nina from carolina, nine, niner
Derived forms verb digitalize₁, verb digitise₁, verb digitize₁

2.  digit(n = noun.quantity) finger, finger's breadth, fingerbreadth - the length of breadth of a finger used as a linear measure;
is a kind of linear measure, linear unit

3.  digit(n = noun.body) dactyl - a finger or toe in human beings or corresponding body part in other vertebrates;
is a kind of appendage, extremity, member
is a part of craniate, vertebrate
has parts: phalanx, nail
has particulars: minimus, finger, toe
Derived form adjective digital₂

digit, n.
1 any numeral from 0 to 9, esp. when forming part of a number.
2 Anat. & Zool. a finger, thumb, or toe.

Etymology:
ME f. L digitus

N  number, symbol, numeral, figure, cipher, digit, integer, counter, round number, formula, function, series, sum, difference, complement, subtrahend, product, multiplicand, multiplier, multiplicator, coefficient, multiple, dividend, divisor, factor, quotient, submultiple, fraction, rational number, surd, irrational number, transcendental number, mixed number, complex number, complex conjugate, numerator, denominator, decimal, circulating decimal, repetend, common measure, aliquot part, prime number, prime, relative prime, prime factor, prime pair, reciprocal, totient, binary number, octal number, hexadecimal number, permutation, combination, variation, election, ratio, proportion, comparison, progression, arithmetical progression, geometrical progression, harmonical progression, percentage, permilage, figurate numbers, pyramidal numbers, polygonal numbers, power, root, exponent, index, logarithm, antilogarithm, modulus, base, differential, integral, fluxion, fluent, numeral, complementary, divisible, aliquot, reciprocal, prime, relatively prime, fractional, decimal, figurate, incommensurable, proportional, exponential, logarithmic, logometric, differential, fluxional, integral, totitive, positive, negative, rational, irrational, surd, radical, real, complex, imaginary, finite, infinite, impossible, numerically, modulo.

binary digit, decimal digit, double digit, duodecimal digit, hexadecimal digit, octal digit, significant digit