'outcrop' definitions:

Definition of 'outcrop'

(from WordNet)
noun
The part of a rock formation that appears above the surface of the surrounding land [syn: outcrop, outcropping, rock outcrop]
verb
Appear on the surface, come to the surface on the ground; "Big boulders outcropped"

Synonyms of 'outcrop'

From: Moby Thesaurus

Words containing 'outcrop'