1.a. Pertaining to, or obtained from, certain umbelliferous plants; as, umbellic acid.
Medical Definition of Umbellic
1. Pertaining to, or obtained from, certain umbelliferous plants; as, umbellic acid. Umbellic acid.
Anisic acid. A yellow powder obtained from umbelliferone.
Source: Websters Dictionary
(01 Mar 1998)