Definify.com
Webster 1913 Edition
Rattlemouse
Rat′tle-mouseˊ
(răt′t’l-mousˊ)
, Noun.
 A bat. 
[Obs.] 
Puttenham.
 Definition 2025
rattlemouse
rattlemouse
English
Noun
rattlemouse (plural rattlemice)
-  (obsolete) A bat (the animal).
- (Can we find and add a quotation of Puttenham to this entry?)