Object to mice roaming in the locality (7)
I believe the answer is:
endemic
'locality' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.
'object to mice roaming in' is the wordplay.
'object' becomes 'end' (I've seen this in other clues).
'roaming' indicates anagramming the letters.
'in' is an insertion indicator.
'mice' with letters rearranged gives 'emic'.
'end' inserted into 'emic' is 'ENDEMIC'.
'the' acts as a link.
Can you help me to learn more?
(Other definitions for endemic that I've seen before include "locally confined" , "Native to (med.)" , "Peculiar to local area" , "restricted to a particular area" , "Men dice in way commonly found in country or place" .)