Make water

For, by the fundamental Laws of the Realm, it is Capital in any Perſon, of what Quality ſoever, to make water within the Precincts of the Palace.

She was dismayed by this unusual display of independence and took herself off to make water which she did with enough noise for four thoroughbreds.

“That patch we put on the cylinder head’s blown out, sir,” he reported, “and she’s makin’ water fast for’ard on the port bow.”