PARALLEL a.
- Parallel rod (Locomotive Eng.), a metal rod that connects the crank pins of two or more driving wheels; -- called also couping rod, in distinction from the connecting rod. See Illust. of Locomotive, in App. -- Parallel ruler, an instrument for drawing parallel lines, so constructed as to have the successive position…
PILE n.
upon and connecting the heads of piles. -- Pile driver, or Pile engine, an apparatus for driving down piles, consisting usually of a high frame, with suitable appliances for raising to a height (by animal or steam power, the explosion of gunpowder, etc.) a heavy mass of iron, which falls upon the pile. -- Pile dwelli…
PUNCH n.
Belt punch (Mach.), a punch, or punch pliers, for making holes for lacings in the ends of driving belts. -- Punch press. See Punching machine, under Punch, v. i. -- Punch pliers, pliers having a tubular, sharp-edged steel punch attached to one of the jaws, for perforating leather, paper, and the like.…
RACE n.
process of running in competition; a contest of speed in any way, as in running, riding, driving, skating, rowing, sailing; in the plural, usually, a meeting for contests in the running of horses; as, he attended the races. The race is not to the swift. Eccl. ix. 11. I wield the gauntlet, and I run the race. Pope.…
RACK n.
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 teeth. -- Rack stick, the stick used in a rack lashing. -- To be on the rack, to suffer torture, physical or m…
RAISE v.
up a blockade, either by withdrawing the ships or forces employed in enforcing it, or by driving them away or dispersing them. -- To raise a check, note, bill of exchange, etc., to increase fraudulently its nominal value by changing the writing, figures, or printing in which the sum payable is specified. -- To raise…