I. intransitive verb Date: 1911 to move back a space in a text with the press of a key, II. noun Date: 1983 an instance of backspacing
BACKSPACE
Meaning of BACKSPACE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012