- Main Entry:
- tit·mouse

- Pronunciation:
-
\ˈtit-ˌmau̇s\
- Function:
- noun
- Inflected Form(s):
- plural tit·mice
\-ˌmīs\
- Etymology:
- by folk etymology from Middle English titmose, from *tit any small object or creature + mose titmouse, from Old English māse; akin to Old High German meisa titmouse
- Date:
- 14th century
: any of several small North American oscine birds (genus Baeolophus of the family Paridae) that are related to the chickadees, have small bills and usually long tails, and have been sometimes placed especially formerly in a related genus (Parus)