Boiler (6)
I believe the answer is:
copper
(Other definitions for copper that I've seen before include "Metal, Cu" , "Atomic number 29" , "bluebottle" , "PC" , "Part of force" .)
I've seen this clue in the Evening Standard.
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.