Tit·mouse n.; pl. Titmice Zool. Any one of numerous species of small insectivorous singing birds belonging to Parus and allied genera; -- called also tit, and tomtit.
Note: ☞ The blue titmouse (Parus coeruleus), the marsh titmouse (Parus palustris), the crested titmouse (Parus cristatus), the great titmouse (Parus major), and the long tailed titmouse (Aegithalos caudatus), are the best-known European species. See Chickadee.
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