Definitions for officinaləˈfɪs ə nl
Random House Webster's College Dictionary
of•fic•i•naləˈfɪs ə nl(adj.)
kept in stock by apothecaries, as a drug.
recognized by a pharmacopoeia.
Origin of officinal:
1710–20; < ML officīnālis of a store or workshop < L officina workshop, der. of opifex artisan. See office
Kept in stock by apothecaries; said of such drugs and medicines as may be obtained without special preparation or compounding; not magistral.