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.