'To foot a bill' definitions:

Definition of 'To foot a bill'

From: GCIDE

Foot \Foot\, v. t.
1. To kick with the foot; to spurn. --Shak. [1913 Webster]
2. To set on foot; to establish; to land. [Obs.] [1913 Webster]
What confederacy have you with the traitors Late footed in the kingdom? --Shak. [1913 Webster]
3. To tread; as, to foot the green. --Tickell. [1913 Webster]
4. To sum up, as the numbers in a column; -- sometimes with up; as, to foot (or foot up) an account. [1913 Webster]
5. To seize or strike with the talon. [Poet.] --Shak. [1913 Webster]
6. To renew the foot of, as of a stocking. --Shak. [1913 Webster]
To foot a bill, to pay it. [Colloq.] -- To foot it, to walk; also, to dance. [1913 Webster]
If you are for a merry jaunt, I'll try, for once, who can foot it farthest. --Dryden. [1913 Webster]