Definitions for "massif"
A block of the earth's crust bounded by faults and shifted to form peaks of a mountain range.
a large mountain pass
Fr. "massive"] - a range or plateau; a "mass" of peaks or mountains. Carries an implication that the peaks or mountains are bunched together, but not in a neat line. Borrowed from French. Like "range", can be applied on extremely varied scales, from "Massif Central" to "Massif du Mont Blanc."
Keywords:  mesa, huge, rocks, face
Rock face; huge rocks; a mesa