| Ridge (n.) The back, or top of the back |
| Ridge (n.) A range of hills or mountains, or the upper part of such a range |
| Ridge (n.) 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. |
| Ridge (n.) 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. |
| Ridge (n.) The highest portion of the glacis proceeding from the salient angle of the covered way. |
| Ridge (v. t.) To form a ridge of |
| Ridge (v. t.) To form into ridges with the plow, as land. |
| Ridge (v. t.) To wrinkle. |
| ridge / ridgepole / rooftree a beam laid along the edge where two sloping sides of a roof meet at the top, provides an attachment for the upper ends of rafters |
| ridge rope either of a pair of lifelines running alongside the bowsprit of a ship |
| alveolar ridge / gum ridge / alveolar process a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth |
| ridge any long raised border or margin of a bone or tooth or membrane |
| supraorbital ridge / supraorbital torus / superciliary ridge / superciliary arch a ridge on the frontal bone above the eye socket |
| wave moving ridge one of a series of ridges that moves across the surface of a liquid (especially across a large body of water) |
| Blue Ridge Mountains / Blue Ridge a range of the Appalachians extending from southern Pennsylvania to northern Georgia |
| Mid-Atlantic Ridge a very long narrow elevation on the ocean floor that runs all the way from Iceland in the North Atlantic to Bouvet Island in the South Atlantic |
| ridge a long narrow natural elevation or striation |
| ridge ridgeline a long narrow range of hills |