__ Trench: Pacific chasm (7)
I believe the answer is:
mariana
(Other definitions for mariana that I've seen before include "- in the Moated Grange (Tennyson/Millais)" , "------- Trench, the deepest part of the Earth's oceans" .)
I've seen this clue in the LA 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.