Archimedes

·noun An extinct genus of Bryzoa characteristic of the subcarboniferous rocks. Its form is that of a screw.

Archimedes
Archĭmēdes, is (gen. Archimedi, Cic. Rep. 1, 14, 21; 1, 14, 22; cf. Schneid. Gr. II. 163 sq.; Rudd. ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
archimedes' screw
An ingenious spiral pump for draining docks or raising water to any proposed height, the invention o...

The Sailor's Word-Book