pissdale

noun

1. (historical)A urinal basin or trough (usually metal) on a ship.

   “[…] pissdales on unidentified models in the collection of the National Maritime Museum, Greenwich, are known to exist. Two of these, one of a fifty-gun ship of ca. 1720 and another of the same size from ca. 1725, have paired pissdales, one on each side of the forward jeer capstan.”

   “[…] while there by the stairs leading to the quarter-deck is the copper bowl known as the 'pissdale', where officers could relieve themselves. All of them, Cook insists, even the pissdale, must be polished till they shine – ship-shape – as brightly as the brass buckles and buttons on the officers' uniforms. With no little[…]”