Green’s Dictionary of Slang

1. a prostitute.

1566		G. Gascoigne (trans.) Supposes III iv: No blazer of beauty above in the windows, no stale at the door for the bypassers.
1667		J. Lacey Sauny the Scot I i: ’Tis strange, Sir, you should make a Stale of me among these Mates, thus.

2. see stall n.¹ (1)