numberkey
nounUK /ˈnʌmbə kiː/
US /ˈnʌmbər kiː/
A number key is a button on a keyboard that types a number.
Press the number key 5 to choose the fifth answer.
RELATED WORDS
OTHER MEANINGS
2. A key on a phone or calculator marked with a digit.
She tapped the number key to dial her friend.
3. A shortcut key used to select something by its number.
Use the number key to pick a song from the list.
4. A labeled key on a musical or control panel that stands for a number.
The number key on the panel lit up when pressed.