RACK n.
binding where the rope is tightened, and held tight by the use of a small stick of wood twisted around. -- Rack rail (Railroads), a toothed rack, laid as a rail, to afford a hold for teeth on the driving wheel of locomotive for climbing steep gradients, as in ascending a mountain. -- Rack saw, a saw having wide teet…
REAMER n.
t which, reams; specifically, an instrument with cutting or scraping edges, used, with a twisting motion, for enlarging a round hole, as a bore of a cannon, etc.
ROGUE n.
e, as when a soldier is drummed out of a regiment. -- Rogue's yarn, yarn of a different twist and color from the rest, inserted into the cordage of the British navy, to identify it if stolen, or for the purpose of tracing the maker in case of defect. Different makers are required to use yarns of different colors.…
SCREW n. 4 definitions
, consisting of about thirty species of tropical shrubs, with simple leaves and spirally twisted, five-celled capsules; -- also called twisted-horn, and twisty. -- Screw valve, a stop valve which is opened or closed by a screw. -- Screw worm (Zoöl.), the larva of an American fly (Compsomyia macellaria), allied to the…