plural of doctor blade

A medical certificate.

(colloquial) Indicates that the speaker defers to the addressed person's authority or expertise.

plural of horse doctor

(medicine, derogatory) An incompetent physician.

A terminal research degree and one of the highest doctorates awarded by a university.

A farmer or rural resident with basic medical training who worked as a doctor in rural areas of the People's Republic of China from the mid-1960s until the 1980s, generally under a government-sponsored program.

(transitive) To falsify, or modify something, so that it appears to be better than it is.

plural of Doctor of Philosophy

A clown who visits hospitals in half-clown and half-doctor garb to entertain young patients.