Definitions

1. adjective

relating to or affecting the mouth or mouthparts, or given by mouth.

“The peroral administration of antibiotics helped to treat the bacterial infection quickly.”

2. adverb

in or through the mouth.

“He administered the medication perorally to the patient, which helped to minimize discomfort.”

3. noun

a method of administering something, especially medicine, by mouth.

“The doctor recommended peroral medication for the patient’s treatment.”