Definition of "backspace" in English

noun

1. The key on a typewriter that moves the head one position backwards.

2. (computing) A keyboard key used for removing a character behind the cursor, and moving the cursor one position backwards.

3. (computing) A non-printable text character representing a backspace.

verb

1. (computing) To remove a character behind a cursor.

2. (computing) To move a magnetic tape to a previous block.