Slut

Part of speech: noun (n.)

1. An untidy woman; a slattern. Sluts are good enough to make a sloven's porridge. Old Proverb.

2. A servant girl; a drudge. [Obs.] Our little girl Susan is a most admirable slut, and pleases us mightly, doing more service than both the others. Pepys.

3. A female dog; a bitch.