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A screw having a flat-sided or knurled head, so that it may be turned by the thumb and forefinger.

A propeller screw placed in front of the supporting planes of an aëroplane instead of behind them, so that it exerts a pull instead of a push. Hence, Tractor monoplane, Tractor biplane, etc.

To draw the screws from; to loose from screws; to loosen or withdraw (anything, as a screw) by turning it.

A screw propeller.

ass. Afore the mast, among the common sailors; -- a phrase used to distinguish the ship's crew from the officers.

; to supply in a fixed and limited quantity; as, the captain was obliged to allowance his crew; our provisions were allowanced.

Archimedes, a celebrated Greek philosopher; constructed on the principle of Archimedes' screw; as, Archimedean drill, propeller, etc. Archimedean screw, or Archimedes' screw, 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…

inct genus of Bryzoa characteristic of the subcarboniferous rocks. Its form is that of a screw.

ds. A pod auger is one with a straight channel or groove, like the half of a bean pod. A screw auger has a twisted blade, by the spiral groove of which the chips are discharge.

The distance through which one part of connected machinery, as a wheel, piston, or screw, can be moved without moving the connected parts, resulting from looseness in fitting or from wear; also, the jarring or reflex motion caused in badly fitting machinery by irregularities in velocity or a reverse of motion.…

The man who manages a barge, or one of the crew of a barge.

The proprietor or manager of a barge, or one of the crew of a barge.

m at the fore part of the upper deck of a vessel, which contains the water closets of the crew.

he edible white bean; -- so called from its size. -- Sacred bean. See under Sacred. -- Screw bean. See under Screw. -- Sea bean. (a) Same as Florida bean. (b) A red bean of unknown species used for ornament. -- Tonquin bean, or Tonka bean, the fragrant seed of Dipteryx odorata, a leguminous tree. -- Vanilla bean.…

To take hold of; to hold fast; to adhere to; as, the anchor bites the ground. The last screw of the rack having been turned so often that its purchase crumbled, . . . it turned and turned with nothing to bite. Dickens. To bite the dust, To bite the ground, to fall in the agonies of death; as, he made his enemy bite the…

The broad part of an oar; also, one of the projecting arms of a screw propeller.

A piece of metal prepared to be made into something by a further operation, as a coin, screw, nuts.

ils, rigging, colors, anchors, cables, cordage, etc., of a ship, and who also summons the crew, and performs other duties.

material, used to fasten or hold something in place, often having a head at one end and screw thread cut upon the other end.

A piece of copper, screwed into a gun, through which the venthole is bored. Farrow.