(n.) One skilled in the diseases of cattle or domestic animals; a veterinary surgeon.

bone campaigner canvass check over check up con contemplate dig drill elucubrate examine examine thoroughly eye give the eye give the once-over go deep into go over grind hard look horse doctor inspect leer leer at look closely at look over lucubrate new ogle ogle at old old campaigner old hand old pro old salt old sea dog old soldier old-time old-timer perlustrate perscrutate peruse plunge into pore pore over practical practice practiced read regard studiously restudy review salt scrutinize seasoned seasoned veteran shellback size up skilled study survey swot take a long take stock of versed veteran veterinarian veterinary veterinary surgeon wade through war-horse