Podiatrist

podiatrist [ puh'-DAHY-uh'-trist ]
[ noun ]

MEANING :
1. a person qualified to diagnose and treat foot disorders
2. a foot doctor

USAGE EXAMPLE 1 :
He was not a podiatrist but was very knowledgeable about treating foot ailments.

USAGE EXAMPLE 2 :
Ms Jones, a practising podiatrist, said seven times as much pressure was put on the ball of a foot by someone wearing high heels.