rider

1. n. One who, or that which, rides. Source: opted

2. n. Formerly, an agent who went out with samples of goods to obtain orders; a commercial traveler. Source: opted

3. n. One who breaks or manages a horse. Source: opted

4. n. An addition or amendment to a manuscript or other document, which is attached on a separate piece of paper; in legislative practice, an additional clause annexed to a bill while in course of passage; something extra or burdensome that is imposed. Source: opted

5. n. A problem of more than usual difficulty added to another on an examination paper. Source: opted

6. n. A Dutch gold coin having the figure of a man on horseback stamped upon it. Source: opted

7. n. Rock material in a vein of ore, dividing it. Source: opted

8. n. An interior rib occasionally fixed in a ship's hold, reaching from the keelson to the beams of the lower deck, to strengthen her frame. Source: opted

9. n. The second tier of casks in a vessel's hold. Source: opted

10. 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. Source: opted

11. n. A robber. Source: opted

12. n. a traveler who actively rides an animal (as a horse or camel) Source: wordnet

Thesaurus links