Part 343

3. One who breaks or manages a horse. Shak.

4. 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.

After the third reading, a foolish man stood up to propose a rider.

Macaulay.

This [question] was a rider which Mab found difficult to answer.

A. S. Hardy.

5. (Math.) A problem of more than usual difficulty added to another on an examination paper.

6. [D. rijder.] A Dutch gold coin having the figure of a man on horseback stamped upon it.

His moldy money ! half a dozen riders.

J. Fletcher.

7. (Mining) Rock material in a vein of ore, dividing it.

8. (Shipbuilding) 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. Totten.

9. (Naut.) The second tier of casks in a vessel's hold.

10. 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.

11. A robber. [Obs. or Prov. Eng.] Drummond.

Rider's bone (Med.), a bony deposit in the muscles of the upper and inner part of the thigh, due to the pressure and irritation caused by the saddle in riding.

Rid"er*less, a. Having no rider; as, a riderless horse. H. Kingsley.

Ridge (?), n. [OE. rigge the back, AS. hrycg; akin to D. rug, G. rÜcken, OHG. rucki, hrukki, Icel. hryggr, Sw. rugg, Dan. ryg. √16.] 1. The back, or top of the back; a crest. Hudibras.

2. A range of hills or mountains, or the upper part of such a range; any extended elevation between valleys. "The frozen ridges of the Alps." Shak.

Part rise crystal wall, or ridge direct.

Milton.

3. A raised line or strip, as of ground thrown up by a plow or left between furrows or ditches, or as on the surface of metal, cloth, or bone, etc.

4. (Arch.) The intersection of two surface forming a salient angle, especially the angle at the top between the opposite slopes or sides of a roof or a vault.

5. (Fort.) The highest portion of the glacis proceeding from the salient angle of the covered way. Stocqueler.

Ridge, v. t. [imp. & p. p. Ridged (?); p. pr. & vb. n. Ridging.] 1. To form a ridge of; to furnish with a ridge or ridges; to make into a ridge or ridges.

Bristles ranged like those that ridge the back Of chafed wild boars.

Milton.

2. To form into ridges with the plow, as land.