digital

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Of, relating to, or resembling a digit, especially a finger.
2. adj. Operated or done with the fingers: a digital switch.
3. adj. Having digits.
4. adj. Expressed in numerical form, especially for use by a computer.
5. adj. Computer Science Of or relating to a device that can read, write, or store information that is represented in numerical form. See Usage Note at virtual.
6. adj. Using or giving a reading in digits: a digital clock.
7. n. A key played with the finger, as on a piano.

Century Dictionary and Cyclopedia

1. Of or pertaining to a digit or digits: as, the digital phalanges.
2. Resembling digits; digitate.
3. n. A digit; a finger or toe.
4. n. The fifth and last joint of the pedipalp of a spider. It is generally larger than the preceding joints, sometimes much swollen, and in the males modified to form the complicated sexual or palpal organs.
5. n. One of the keys or finger-levers of instruments of the organ or piano class.
6. n. One of those primaries, or quill-feathers, most commonly four in number, which are attached to the phalanges of the second and third digits of a bird's wing.

Wiktionary

1. adj. Having to do with digits (fingers or toes); performed with a finger.
2. adj. Property of representing values as discrete numbers rather than a continuous spectrum.
3. adj. Of or relating to computers or the Computer Age.

GNU Webster's 1913

1. adj. Of or pertaining to the fingers; done with the fingers
2. adj. of or pertaining to digits{3}; expressed in digits{3}, or using digits{3}.
3. adj. (Computers) performing internal logical and arithmetic operations by means of digits, usually represented as binary numbers. Contrasted to analog, wherein variables are represented as coninuous physical quantities such as voltages or the position of a pointer on a continuous scale.

WordNet 3.0

1. adj. relating to or performed with the fingers
2. adj. displaying numbers rather than scale positions
3. adj. of a circuit or device that represents magnitudes in digits