n. One who rides; particularly, one who rides on the back of a horse or other animal; specifically, one who is skilled in horsemanship and the manège.n. A mounted reaver or robber.n. Formerly, one who traveled for a mercantile house to collect orders, money, etc.: now called a traveler or (in the United States) drummer.n. In horticulture, a budded or grafted standard or stock branching from a main or parent trunk or stem.n. A knight.n. Any device straddling something; something mounted upon or attached to something else. n. Anything saddled upon or attached to a record, document, statement, etc., after its supposed completion; specifically, an additional clause, as to a bill in Congress.n. In printing, a cylindrical rod of iron which in use rests on the top of an ink-roller, and aids in evenly distributing the ink on this roller.n. A supplementary part of a question in an examination, especially in the Cambridge mathematical tripos, connected with or dependent on the main question.n. In a snake fence, a rail or stake one end of which rests on the ground, while the other end crosses and bears upon the fence-rails at their angle of meeting, and thus holds them in place. [Local, U. S.]n. In mining, a ferruginous veinstone, or a similar impregnation of the walls adjacent to the vein.n. One of a series of interior ribs fixed occasionally in a ship's hold, opposite to some of the principal timbers, to which they are bolted, and reaching from the keelson to the beams of the lower deck, to strengthen the frame.n. A piece of wood in a gun-carriage on which the side pieces rest.n. A gold coin formerly current in the Netherlands: so called from its obverse type being the figure of a horseman.n. A gold coin of Henry VI. of England, of the value of four shillings.