Crossword Genius

One grazing animals gets air exercising (7)

Ross

I believe the answer is:

agister

'one grazing animals' is the definition.
(someone who grazes cattle)

'gets air exercising' is the wordplay.
'exercising' indicates an anagram (letters exercise or move around).
'gets'+'air'='getsair'
'getsair' with letters rearranged gives 'AGISTER'.

(Other definitions for agister that I've seen before include "One grazing cattle for pay; is great (anagram)" , "agricultural officer" , "neat officer" .)

I've seen this clue in The Times.
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