of, relating to, or designating a rock structure, such as a ridge, lying at an oblique angle to the strike of the strata.

Geology. (See quot.)

Situated or occurring in a direction downwards along the dip of a stratum, surface, etc.

Designating a highly sinuous folding, for example of granitic layers and veins in certain gneisses and migmatites; (also) displaying such folding.

Situated or occurring in a direction upwards along the dip.