a beam laid along the ridge of a roof; provides attachment for upper end of rafters
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
a beam laid along the ridge of a roof; provides attachment for upper end of rafters any long raised border or margin of a bone or tooth or membrane a long narrow natural elevation or striation a long narrow range of hills any long raised strip form into a ridge spade into alternate ridges and troughs; "ridge the soil"