The Collaborative International Dictionary
Water screw \Wa"ter screw`\ A screw propeller.
Usage examples of "water screw".
A window fan turned lazily, drawing air into the room (the fans were ingenious contraptions, worked by a water screw powered by the tide).
It was Captain Sisko's idea to march them across the most forbid- ding landscape imaginable so they would be forced, willy-nilly, to discover three of the four basic engines of antiquity: the lever, the pulley, and the inclined plane (neither the captain nor Chief O'Brien could think of a way to introduce the Tiffnakis to the water screw).
It was Captain Sisko's idea to march them across the most forbidding landscape imaginable so they would be forced, willy-nilly, to discover three of the four basic engines of antiquity: the lever, the pulley, and the inclined plane (neither the captain nor Chief O'Brien could think of a way to introduce the Tiffnakis to the water screw).