名詞 digit:

1. one of the elements that collectively form a system of numeration
   同義詞：figure
2. the length of breadth of a finger used as a linear measure
   同義詞：finger, fingerbreadth, finger's breadth
3. a finger or toe in human beings or corresponding body part in other vertebrates
   同義詞：dactyl

1. The number represented by the digit or digits in2.
   在釋文2。中所說的由一位或幾位數(shù)字表示的數(shù)。
2. Pertaining to an operation involving more than one digit.
   用于修飾或說明涉及多位數(shù)字的運(yùn)算。
3. A binary-coded decimal code for representing decimal numbers in which each decimal digit is represented by seven binary digits which are coefficients of8,6,4,2,0,1,0, respectively.
   用于表示十進(jìn)制數(shù)的一種二進(jìn)制編碼的十進(jìn)制碼，其中每位十進(jìn)制數(shù)用七位二進(jìn)制數(shù)來表示，它們分別是8,6, 4,2, 0,1和0的系數(shù)。五－二碼表如下：
4. In the decimal form of a number, a digit that is not significant.
   占位符號在一個(gè)數(shù)的小數(shù)形式中，沒有意義的數(shù)字

dig.it

n.（名詞）

A human finger or toe.
人的手指或足趾
A corresponding part in other vertebrates.
手指，足趾：其它脊椎動物相對應(yīng)的部位
A unit of length derived from the breadth of a finger and equal to about ô of an inch (2.0 centimeters).
指寬，指幅：從手指寬度派生出的長度單位，等于ô英寸（2.0厘米）

One of the ten Arabic number symbols, 0 through 9.
數(shù)字：十個(gè)阿拉伯?dāng)?shù)字符號從0到9中的任意一個(gè)
Such a symbol used in a system of numeration.
位（數(shù)）：用于計(jì)算系統(tǒng)的符號

來源：
Middle English
中古英語
from Latin digitus [finger, toe] * see deik-
源自 拉丁語 digitus [手指，足趾] *參見 deik-