A mounted person. • A knight, or other mounted warrior. • An old Dutch gold coin with the figure of a man on horseback stamped upon it. • Someone who rides a horse or (later) a bicycle, motorcycle etc. • A motorcycle enthusiast; a motorcycle club member. • A mounted robber; a bandit, especially in the Scottish borders. • Someone who breaks in or manages a horse; a riding master. • An agent who goes out with samples of goods to obtain orders; a commercial traveller or travelling salesman. • Someone riding in a vehicle; a passenger on public transport. • A boarder, a person who rides a board in boardsports. • A skateboarder • A snowboarder • An addition, supplement. • A supplementary clause added to a document after drafting, especially to a bill under the consideration of a legislature. • An amendment or addition to an entertainer's performance contract, often covering a performer's equipment or food, drinks, and general comfort requirements. • An additional matter or question arising in corollary; a qualification. • A supplementary question, now especially in mathematics. • An add-on to an insurance policy. • Technical senses. • 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. • Rock material in a vein of ore, dividing it. • The second tier of casks in a vessel's hold. • A small, sliding piece of thin metal on a balance, used to determine small weights. • The first Lenormand card, also known as either the horseman or the cavalier. • 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.