from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An antihistamine, C21H21N, used to relieve the symptoms of various allergic reactions, such as itching and skin rash.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An antihistaminic, anticholinergic and antiserotonergic agent.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an antihistamine (trade name Periactin) used to treat some allergic reactions
cy(clic) + pro(pyl) + hepta- + (piperi)dine.(American Heritage® Dictionary of the English Language, Fourth Edition)