| rider | |
| 1. n. One who rides, often a horse or motorcycle. | |
| 2. n. (politics) A provision annexed to a bill under the consideration of a legislature, having little connection with the subject matter of the bill. | |
| 3. n. (by extension) Something extra or burdensome that is imposed. | |
| 4. n. An amendment or addition to an entertainer's performance contract, often covering a performer's equipment or food, drinks, and general comfort requirements. | |
| 5. n. (insurance) An additional benefit attached to an insurance contract. | |
| 6. n. A small, sliding piece of aluminium on a chemical balance, used to determine small weights. | |
| 7. n. (archaic) An agent who went out with samples of goods to obtain orders; a commercial traveller. | |
| 8. n. (obsolete) One who breaks in or manages a horse. | |
| 9. n. (cartomancy) The first Lenormand card, also known as either the horseman or the cavalier. | |
| 10. n. (math) A problem of extra difficulty added to another on an examination paper. | |
| 11. n. An old Dutch gold coin with the figure of a man on horseback stamped upon it. | |
| 12. n. (mining) Rock material in a vein of ore, dividing it. | |
| 13. n. (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. | |
| 14. n. (nautical) The second tier of casks in a vessel's hold. | |
| 15. n. A small forked weight which straddles the beam of a balance, along which it can be moved in the manner of the weight on a steelyard. | |
| 16. n. (obsolete, UK, dialect) A robber. | |
| 17. n. (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. | |
