I. | ̷ ̷| ̷ ̷ verb
Etymology: up (I) + thrust
transitive verb
: to thrust up ; specifically : to push up in an upthrust
before the mountains were upthrust — E.E.Slosson
intransitive verb
: to rise with an upward thrust
II. ˈ ̷ ̷ˌ ̷ ̷ noun
: an upward thrust ; specifically : an uplift of part of the earth's crust commonly with faulting