Hade
Hade (hād) , noun
[Compare Anglo-Saxon heald inclined, bowed down, German halde declivity.]
1.
The descent of a hill. [Obsolete]
2.
(Mining) The inclination or deviation from the vertical of any mineral vein.
3.
(Geology & Mining) The deviation of a fault plane from the vertical.
The direction of the hade is the direction toward which the fault plane descends from an intersecting vertical line.
Hade , intransitive verb
(Mining) To deviate from the vertical; -- said of a vein, fault, or lode.