1) A sink like, usually porcelein, object mounted against a wall with a knob to flush ontop. Only found in bathrooms for men. Occasionally you'll stumble across a new-age urinal that flushes when the motion sensor detects you aren't there.
Urinal refers to a woman whose vagina sees so many different penises in a day that it can only be compared to a urinal at a stadium during a sports playoff season game.