Definition of rattle-mouse in English:

rattle-mouse

noun

  • Now English regional. A bat; (in later use) especially the serotine, Eptesicus serotinus.

Origin

Late 16th century; earliest use found in George Puttenham (1529–?1591), writer and literary critic. From either rattle or rattle + mouse.

Pronunciation

rattle-mouse

/ˈratlmaʊs/