bank bill

NOUN /bæŋk_bɪl/
9 LETTERS · STARTS WITH B

bank bill is a valid 9-letter word worth 16 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3A1N1K5B3I1L1L1
3 + 1 + 1 + 5 + 0 + 3 + 1 + 1 + 1 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does bank bill mean?