I. | ̷ ̷| ̷ ̷ transitive verb
Etymology: Middle English upfolden, from up + folden to fold
: to fold up
II. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: up (II) + fold, n.
: stratified rocks that are folded upward to a crest : anticline
I. | ̷ ̷| ̷ ̷ transitive verb
Etymology: Middle English upfolden, from up + folden to fold
: to fold up
II. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: up (II) + fold, n.
: stratified rocks that are folded upward to a crest : anticline
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012