[puh-rawr-uh l, -rohr-]
administered or performed through the mouth, as surgery or administration of a drug.
Origin of peroral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Performed or administered through or by way of the mouth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.