Search Result for "robitussin": 
Wordnet 3.0

NOUN (1)

1. trade name of an expectorant that loosens phlegm and makes it easier to cough up; 



WordNet (r) 3.0 (2006):

Robitussin
    n 1: trade name of an expectorant that loosens phlegm and makes
         it easier to cough up