Meaning of KEYBOARD in English

I. ˈkē-ˌbȯrd noun

Date: 1819

1. : a bank of keys on a musical instrument (as a piano) that usually consists of seven white and five raised black keys to the octave

2. : an assemblage of systematically arranged keys by which a machine or device is operated

3. : a board on which keys for locks are hung

4. : a musical instrument that is played by means of a keyboard

II. verb

Date: 1961

transitive verb

: to capture or set (as data or text) by means of a keyboard

intransitive verb

: to operate a machine (as for typesetting) by means of a keyboard

• key·board·er noun

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.