Hanging-wall
noun
1.
Mining. the underside of the wall rock overlying a vein or bed of ore.
Compare (def 1).
2.
Geology. a mass of rock overhanging a fault plane.
noun
1.
the rocks on the upper side of an inclined fault plane or mineral vein Compare footwall
hanging wall
The block of rock lying above an inclined geologic fault plane. See more at fault. Compare footwall.
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[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. […]
- Hangnail
[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 […]
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Also, hold your hat. An expression warning someone of a big surprise. For example, Hang on to your hat, we’re about to go public, or Hold your hat—we just won the lottery. This expression may allude, according to lexicographer Eric Partridge, to a wild ride on a rollercoaster. [ ; first half of 1900s ]