Bottom-row PC key (4)

I think it could be either:

Which length description are you looking for?:

ctrl

'bottom-row pc key' is the definition.
(I've seen this in another clue)

This is all the clue.

I've seen this clue in The New York Times, the LA Times and The Wall Street Journal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.