PLATFORM n.
Any flat or horizontal surface; especially, one that is raised above some particular level, as a framework of timber or boards horizontally joined so as to form a roof, or a raised floor, or portion of a floor; a landing; a dais; a stage, for speakers, performers, or workmen; a standing place.
PLUMB n.
Bob, 4. -- Plumb joint, in sheet-metal work, a lap joint, fastened by solder. -- Plumb level. See under Level. -- Plumb line. (a) The cord by which a plumb bob is suspended; a plummet. (b) A line directed to the center of gravity of the earth. -- Plumb rule, a narrow board with a plumb line, used by builders and c…
PNEUMATIC; PNEUMATICAL a.
ies filled with air; as, pneumatic cells; pneumatic bones. Pneumatic action, or Pneumatic lever (Mus.), a contrivance for overcoming the resistance of the keys and other movable parts in an organ, by causing compressed air from the wind chest to move them. -- Pneumatic dispatch, a system of tubes, leading to various p…
PRAIRIE n.
An extensive tract of level or rolling land, destitute of trees, covered with coarse grass, and usually characterized by a deep, fertile soil. They abound throughout the Mississippi valley, between the Alleghanies and the Rocky mountains. From the forests and the prairies, From the great lakes of the northland. Longfel…
PRIZE n. 2 definitions
A lever; a pry; also, the hold of a lever. [Written also prise.] Prize court, a court having jurisdiction of all captures made in war on the high seas. Bouvier. -- Prize fight, an exhibition contest, esp. one of pugilists, for a stake or wager. -- Prize fighter, one who fights publicly for a reward; -- applied esp. t…
PRIZING n.
The application of a lever to move any weighty body, as a cask, anchor, cannon, car, etc. See Prize, n., 5.
PURCHASE n.
echanical hold, or advantage, applied to the raising or removing of heavy bodies, as by a lever, a tackle, capstan, and the like; also, the apparatus, tackle, or device by which the advantage is gained. A politician, to do great things, looks for a power -- what our workmen call a purchase. Burke.
QUADRANT n.
vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction. Gunner's quadrant, an instrument consisting of a graduated limb, with a plumb line or spirit level, and an arm by which it is applied to a cannon or mortar in adjusting it to…
RADICAL n.
changes in government or social institutions, especially such changes as are intended to level class inequalities; -- opposed to conservative. In politics they [the Independents] were, to use phrase of their own time. "Root-and-Branch men," or, to use the kindred phrase of our own, Radicals. Macaulay.…