ARCHIMEDEAN a.
ew, an instrument, said to have been invented by Archimedes, for raising water, formed by winding a flexible tube round a cylinder in the form of a screw. When the screw is placed in an inclined position, and the lower end immersed in water, by causing the screw to revolve, the water is raised to the upper end. Francis…
ASTERN adv.
Behind a ship; in the rear. "A gale of wind right astern." De Foe. "Left this strait astern." Drake. To bake astern, to go stern foremost. -- To be astern of the reckoning, to be behind the position given by the reckoning. -- To drop astern, to fall or be left behind. -- To go astern, to go backward, as from the act…