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aving the form of a wedge, usually placed palewise, with the broadest end uppermost. Pile bridge, a bridge of which the roadway is supported on piles. -- Pile cap, a beam resting upon and connecting the heads of piles. -- Pile driver, or Pile engine, an apparatus for driving down piles, consisting usually of a high f…

A series of piles; piles considered collectively; as, the piling of a bridge. Pug piling, sheet piles connected together at the edges by dovetailed tongues and grooves. -- Sheet piling, a series of piles made of planks or half logs driven edge to edge, -- used to form the walls of cofferdams, etc.

or signal hoisted by a vessel for a pilot. -- Pilot jacket, a pea jacket. -- Pilot nut (Bridge Building), a conical nut applied temporarily to the threaded end of a pin, to protect the thread and guide the pin when it is driven into a hole. Waddell. -- Pilot snake (Zoöl.) (a) A large North American snake (Coluber ob…

A soldier detailed or employed to form roads, dig trenches, and make bridges, as an army advances.

e whike the company or line moves around him in wheeling; -- called also pivot man. Pivot bridge, a form of drawbridge in which one span, called the pivot span, turns about a central vertical axis. -- Pivot gun, a gun mounted on a pivot or revolving carriage, so as to turn in any direction. -- Pivot tooth (Dentistry)…

To promise; to engage; to betroth. Before its setting hour, divide The bridegroom from the plighted bride. Sir W. Scott.

A kind of balance used in raising and letting down a drawbridge. It consists of timbers joined in the form of a St. Andrew's cross. (b) pl.

One who does not try for honors, but is content to take a degree merely; a passman. [Cambridge Univ., Eng.]

A bridge; -- applied to several parts which connect others, but especially to the pons Varolii, a prominent band of nervous tissue situated on the ventral side of the medulla oblongata and connected at each side with the hemispheres of the cerebellum; the mesocephalon. See Brain. Pons asinorum. Etym: [L., literally, br…

A duty or tax paid for repairing bridges. Ayliffe.

Of or pertaining to the building of bridges. [R.] Now had they brought the work by wondrous art Pontifical, a ridge of pendent rock Over the vexed abyss. Milton.

Bridgework; structure or edifice of a bridge. [R.] Milton.

frame covered with canvas, India rubber, etc., forming a portable float, used in building bridges quickly for the passage of troops.

The act, art, or process of constructing pontoon bridges. "Army instruction in pontooning." Gen. W. T. Shermah.

A kind of light bridge, used in sieges, for surprising a post or outwork which has but a narrow moat; a flying bridge.

S.] -- Pony truck (Locomotive Engine), a truck which has only two wheels. -- Pony truss (Bridge Building), a truss which has so little height that overhead bracing can not be used.

r of the cylinder of a steam engine; an opening in a valve seat, or valve face. Air port, Bridle port, etc. See under Air, Bridle, etc. -- Port bar (Naut.), a bar to secure the ports of a ship in a gale. -- Port lid (Naut.), a lid or hanging for closing the portholes of a vessel. -- Steam port, and Exhaust port (Ste…

A prayer book or breviary; a portass. [Obs.] Portal bracing (Bridge Building), a combination of struts and ties which lie in the plane of the inclined braces at a portal, serving to transfer wind pressure from the upper parts of the trusses to an abutment or pier of the bridge.

A flower; a bouquet; a nosegay. "Bridegroom's posies." Spenser. We make a difference between suffering thistles to grow among us, and wearing them for posies. Swift.

A concise or abridged statement or view; an abstract; a summary.