Animal doctor (12)
'animal doctor' is the definition.
(veterinarian)
This is all the clue.
(Other definitions for vet that I've seen before include "Check someone for suitability" , "solider once" , "'Animal doctor, in short (3)'" , "Examine carefully - might one help a lame duck?" , "Experienced" .)
'animal doctor' is the definition.
(I've seen this before)
This is the entire clue.
(Another definition for veterinarian that I've seen is " Animal doctor".)