Definify.com
Webster 1913 Edition
Tittlebat
Tit′tle-bat
,Noun.
 (Zool.) 
The three-spined stickleback. 
[Prov. Eng.] 
Definition 2025
tittlebat
tittlebat
English
Noun
tittlebat (plural tittlebats)
-  (Britain, dialect) The three-spined stickleback.
-  1836, Charles Dickens, The Pickwick Papers, Chapman & Hall, Chapter 1, Page 1:
- “Speculations on the Source of the Hampstead Ponds, with some Observations on the Theory of Tittlebats;”.
 
 
-  1836, Charles Dickens, The Pickwick Papers, Chapman & Hall, Chapter 1, Page 1: