Bing found the following results
Ta Definition & Meaning - Merriam-Webster
Where does "ta!" come from? - English Language & Usage Stack Exchange
TA | English meaning - Cambridge Dictionary
TA definition and meaning | Collins English Dictionary
TA - Definition by AcronymFinder
TA Definition & Meaning | Dictionary.com
TA abbreviation - Definition, pictures, pronunciation and usage …
Ta Definition & Meaning | Britannica Dictionary
Ta Definition & Meaning | YourDictionary
About | TA