Definitions of teller:

• noun:   an employee of a bank who receives and pays out money
• noun:   an official appointed to count the votes (especially in legislative assembly)
• noun:   United States physicist (born in Hungary) who worked on the first atom bombs and the first hydrogen bomb (born in 1908)
• noun:   someone who tells a story
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #10147)