Main Entry:1rat
Pronunciation:\ˈrat\
Function:noun
Etymology:Middle English, from Old English ræt; akin to Old High German ratta rat and perhaps to Latin rodere to gnaw — more at rodent
Date:before 12th century
1 a: any of numerous rodents (Rattus and related genera) differing from the related mice especially by considerably larger size b: any of various similar rodents
Main Entry:1mouse
Pronunciation:\ˈmau̇s\
Function:noun Inflected Form(s):plural mice\ˈmīs\
Etymology:Middle English, from Old English mūs; akin to Old High German mūs mouse, Latin mus, Greek mys mouse, muscle
Date:before 12th century
1: any of numerous small rodents (as of the genus Mus) with pointed snout, rather small ears, elongated body, and slender tail