Mining. the underside of the wall rock overlying a vein or bed of ore.
Compare (def 1).
Geology. a mass of rock overhanging a fault plane.
the rocks on the upper side of an inclined fault plane or mineral vein Compare footwall
The block of rock lying above an inclined geologic fault plane. See more at fault. Compare footwall.
noun 1. a valley, the lower end of which opens high above a shore, usually caused by the rapid erosion of a cliff. 2. a tributary valley whose mouth is set above the the floor of the main valley, usually as a result of differences in glacial erosion. noun 1. (geography) a tributary valley entering […]
[hang] /hæŋ/ verb (used with object), hung or especially for 4, 5, 20, hanged; hanging. 1. to fasten or attach (a thing) so that it is supported only from above or at a point near its own top; suspend. 2. to attach or suspend so as to allow free movement: to hang a pendulum. 3. […]
[hang-neyl] /ˈhæŋˌneɪl/ noun 1. a small piece of partly detached skin at the side or base of the fingernail. /ˈhæŋˌneɪl/ noun 1. a piece of skin torn away from, but still attached to, the base or side of a fingernail n. also hang-nail, 1670s, apparently from hang (v.) + (finger) nail, but probably folk etymology […]
[hang-on, -awn] /ˈhæŋˌɒn, -ˌɔn/ Informal. noun 1. something easily attached to or mounted on another surface or object, as a turbocharger or transceiver in an automobile, a unit suspendable from shelving, or a portable soap dish. adjective 2. pertaining to or denoting such an attachment: A clumsy hang-on unit supplied the air conditioning.