water snail

noun

1. Archimedes' screw.

Word History and Origins

Origin of water snail¹

First recorded in 1555–65

Example Sentences

It was just what it seemed to be, the shell of a water snail.

From Project Gutenberg

Here they die unless they find their way into a certain water-snail, which many of them do.

From Project Gutenberg

Of these the best known are the block and tackle, the endless screw (worm gear), and the water snail, or Archimedean screw.

From Project Gutenberg

Of two kinds of water snail found in the Thames, and among the commonest molluscs, one is a vegetable feeder.

From Project Gutenberg

After that, the Blue-eyed Girl showed him a little water-snail.

From Project Gutenberg