Fertile tracts in a desert (5)

I believe the answer is:

oases

'fertile tracts in a desert' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for oases that I've seen before include "Fertile tracts in a desert" , "Fertile desert spots" , "Where there may be dates" , "Fertile desert places" , "Fertile areas in deserts" .)

I've seen this clue in the Irish Times (Simplex) and The Irish Times.

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.