Emily Dickinson Lexicon

DIG'IT, n. [L. digitus, a finger, that is, a shoot; Gr. δακτυλος.]

1. The measure of a finger's breadth, or three fourths of an inch. – Boyle.
2. The twelfth part of the diameter of the sun or moon; a term used to express the quantity of an eclipse; as, an eclipse of six digits is one which hides one half of the disk.
3. In arithmetic, any integer under 10; so called from counting on the fingers. Thus, 1, 2, 3, 4, 5, 6, 7, 8, 9, are called digits.