Hade (hAd), n. [Cf. AS. heald inclined, bowed down, G. halde declivity.]
1.
The descent of a hill. [Obs.]
2. (Mining)
The inclination or deviation from the vertical of any mineral vein.
© Webster 1913
Hade, v. i. (Mining)
To deviate from the vertical; -- said of a vein, fault, or lode.
© Webster 1913
Hade, n. (Geol. & 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.
© Webster 1913