ta ta /ˈtɑː/

interjection

1. () [Informal, British] An utterance of appreciation or acknowledgment for a kind deed or favor.  ( thanx [Non-standard] , ta [Informal, British] , thank you , thanks , cheers [Informal, British] )
   An utterance of appreciation or acknowledgment for a kind deed or favor.
   

 Ta

noun

1. A hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite  ( atomic number 73 , Ta , tantalum )
   a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite