Somewhat misleading thing I might signal (4)
I believe the answer is:
isle
'i might signal' is the definition.
Although both the answer and definition are singular nouns, I cannot understand how they can define each other.
'somewhat misleading thing' is the wordplay.
'somewhat' indicates a hidden word.
'ISLE' can be found hidden inside 'misleading thing'.
Can you help me to learn more?
(Other definitions for isle that I've seen before include "Land amid water" , "Small region of land" , "Man conceivably" , "Man, for one" , "-- of Ely, Dogs, Man" .)