Definitions of Ta:

• noun:   a hard gray lustrous metallic element that is highly corrosion-resistant; occurs in niobite and fergusonite and tantalite
• name:  A female given name (rare: 1 in 100000 females; popularity rank in the U.S.: #3930)
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #9181)