Ridge — Defs

01 n. The back, or top of the back; a crest.

1.
The back, or top of the back; a crest.
2.
A range of hills or mountains, or the upper part of such a range; any extended elevation between valleys.
“Part rise in 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.
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.(Arch.)
5.
The highest portion of the glacis proceeding from the salient angle of the covered way.(Fort.)

02 v. t. To form a ridge of; to furnish with a ridge or ridges; to make into a ridge or ridges.

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.
3.
To wrinkle.