transitive. To input or enter (data) using a keypad or keyboard. Usually with in, into.

Computing. To supply or feed in (data, a program, etc.) to; to feed into. Past participle ˈinput, (less commonly) ˈinputted.

transitive. Computing. To enter or produce (text or other data) using a keyboard; to type in. Cf. sense 10.

transitive. Computing. To enter or produce (text or other data) using a keyboard; to type. Cf. to key in 3 at phrasal verbs 1.

transitive. To enter on a keyboard; = key, v. 10.

To cause (data) to be entered into a computer.