from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The common domestic rat (Rattus norvegicus), which is found worldwide and is a destructive pest of crops and stored food and a carrier of disease.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A species of
rat, Rattus norvegicus, common worldwide.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun common domestic rat; serious pest worldwide
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