DELTA
Fourth letter of Greek alphabet (5)
Solution has appeared in 4 crosswords (3 across and 1 down):
Quick crossword No 16,023
— 2021-09-13 23:00:45
9A: River mouth, like that of the Nile (5)
Quick crossword No 15,839
— 2021-02-11 00:00:56
20A: Greek letter (5)
Quick crossword No 15,781
— 2020-12-04 00:00:43
1D: River mouth (5)
Quick crossword No 15,521
— 2020-02-05 00:00:01
11A: Fourth letter of Greek alphabet (5)