I. | ̷ ̷ ̷ ̷| ̷ ̷ transitive verb
Etymology: Middle English overfolden to fold over, from over (I) + folden to fold
: to fold over ; specifically : to push over so as to form an overturned anticline
II. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: overfold (I) ; intended as translation of German überfaltung
1. : an overturned anticline
2. : a sigmoid fold comprising an overturned anticline and a syncline