PLUNGER n.
The firing pin of a breechloader. Plunger bucket, a piston, without a valve, in a pump. -- Plunger pole, the pump rod of a pumping engine. -- Plunger pump, a pump, as for water, having a plunger, instead of a piston, to act upon the water. It may be single-acting or double- acting
PRESENTATION n.
specifically designated by the part which first appears at the mouth of the uterus; as, a breech presentation. Presentation copy, a copy of a book, engraving, etc., presented to some one by the author or artist, as a token of regard.
REENFORCE n.
mething which reënforces or strengthens. Specifically: (a) That part of a cannon near the breech which is thicker than the rest of the piece, so as better to resist the force of the exploding powder. See Illust. of Cannon. (b) An additional thickness of canvas, cloth, or the like, around an eyelet, buttonhole, etc.…
REPEATING a.
mechanism the charges are successively introduced from a chamber containing them into the breech of the barrel, and fired. (b) A form in which the charges are held in, and discharged from, a revolving chamber at the breech of the barrel. See Revolver, and Magazine gun, under Magazine. -- Repeating instruments (Astron.…
SIDE a.
[Obs. or Scot.] Shak. His gown had side sleeves down to mid leg. Laneham. Side action, in breech-loading firearms, a mechanism for operating the breech block, which is moved by a lever that turns sidewise. -- Side arms, weapons worn at the side, as sword, bayonet, pistols, etc. -- Side ax, an ax of which the handle i…
SIGHT n.
A small piece of metal, fixed or movable, on the breech, muzzle, center, or trunnion of a gun, or on the breech and the muzzle of a rifle, pistol, etc., by means of which the eye is guided in aiming. Farrow.