What Arctic explorer covers? (3)
I believe the answer is:
ice
'what arctic explorer covers?' is the definition.
I can't judge whether this definition defines the answer.
'what arctic explorer covers?' is the wordplay.
'covers?' indicates a hidden word (I've seen 'covered' mean this (the answer is covered up by the clue)).
'ICE' can be found hidden inside 'what arctic explorer'.
(Other definitions for ice that I've seen before include "Formality" , "Frozen water; kill (slang)" , "Diamonds, colloquially" , "To put in a drink or slide on" , "Frozen water - diamonds" .)