Rattus

noun
Rat·​tus | \ ˈrat-əs How to pronounce Rattus (audio) \

Medical Definition of Rattus

: a genus of rodents of the family Muridae that comprise the common rats and are distinguished from members of the closely related genus Mus by bevel-edged upper incisors and comparatively large second and third molars

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Cite this Entry

“Rattus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Rattus. Accessed 7 May. 2021.

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