Backspace has 4 different meanings across 2 categories:
Noun
· Verb
Noun
1
the typewriter key used for back spacing
2
The key on a typewriter that moves the head one position backwards.
Verb
1
hit the backspace key on a computer or typewriter keyboard
"To erase, you must backspace"
2
To remove a character behind a cursor.
Broader Terms (hypernyms)