Definition of brown rat
:a common domestic rat (Rattus norvegicus) that has been introduced worldwide — called also
Norway rat
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brown rat
noun
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First Known Use of brown rat
1737
Medical Dictionary
brown rat
noun
medical Definition of brown rat
:a common domestic rat of the genus Rattus (R. norvegicus) that has been introduced worldwide — called also
Norway rat
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See words that rhyme with brown rat Britannica.com: Encyclopedia article about brown rat
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