1. antihistamine (trade name Phenergan) used to treat allergies; also an antiemetic used to treat motion sickness; [syn: promethazine, Phenergan]
WordNet (r) 3.0 (2006):
promethazine
n 1: antihistamine (trade name Phenergan) used to treat
allergies; also an antiemetic used to treat motion sickness
[syn: promethazine, Phenergan]