'Expectorant' definitions:
Definition of 'expectorant'
From: WordNet
noun
A medicine promoting expectoration [syn: expectorant, expectorator]
Definition of 'Expectorant'
From: GCIDE
- Expectorant \Ex*pec"to*rant\, a. [L. expectorans, p. pr. of expectorare to drive from the breast: cf. F. expectorant.] (Med.) Tending to facilitate expectoration or to promote discharges of mucus, etc., from the lungs or throat. -- n. An expectorant medicine. [1913 Webster]