roof rat

noun

Medical Definition of roof rat

: a grayish brown rat that belongs to a variety (Rattus rattus alexandrinus) of the black rat, is common in warm regions, and often nests in trees or the upper parts of buildings

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Cite this Entry

“Roof rat.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/roof%20rat. Accessed 29 Sep. 2020.

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