Definitions from Wiktionary ( )

▸ noun:  A mounted person.
▸ noun:  (now archaic or historical) A knight, or other mounted warrior.
▸ noun:  An old Dutch gold coin with the figure of a man on horseback stamped upon it.
▸ noun:  (generally) Someone who rides a horse or (later) a bicycle, motorcycle etc.
▸ noun:  (now historical or archaic) A mounted robber; a bandit, especially in the Scottish borders.
▸ noun:  (obsolete) Someone who breaks in or manages a horse; a riding master.
▸ noun:  (now rare, historical) An agent who goes out with samples of goods to obtain orders; a commercial traveller or travelling salesman.
▸ noun:  (now chiefly US) Someone riding in a vehicle; a passenger on public transport.
▸ noun:  An addition, supplement.
▸ noun:  (politics) A supplementary clause added to a document after drafting, especially to a bill under the consideration of a legislature.
▸ noun:  An amendment or addition to an entertainer's performance contract, often covering a performer's equipment or food, drinks, and general comfort requirements.
▸ noun:  An additional matter or question arising in corollary; a qualification.
▸ noun:  A supplementary question, now especially in mathematics.
▸ noun:  (insurance) An add-on to an insurance policy.
▸ noun:  Technical senses.
▸ noun:  (shipbuilding) An interior rib occasionally fixed in a ship's hold, reaching from the keelson to the beams of the lower deck, to strengthen the frame.
▸ noun:  (mining, now rare) Rock material in a vein of ore, dividing it.
▸ noun:  (nautical, in the plural) The second tier of casks in a vessel's hold.
▸ noun:  A small, sliding piece of thin metal on a balance, used to determine small weights.
▸ noun:  (cartomancy) The first Lenormand card, also known as either the horseman or the cavalier.
▸ noun:  (chess) A piece, such as the rook or bishop, which moves any distance in one direction, as long as no other piece is in the way.
▸ noun:  A surname originating as an occupation. More often spelled Ryder.

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