anticlinal

adjective

1. inclining in opposite directions from a central axis.
2. Geology.
   1. inclining downward on both sides from a median line or axis, as a fold of rock strata.
   2. pertaining to such a fold.

adjective

1. of, relating to, or resembling an anticline
2. botany of or relating to the plane at right angles to the surface of an organ

adj.

1. Inclined in opposite directions, as two sides of a pyramid.