I. | ̷ ̷| ̷ ̷ transitive verb
Etymology: up (I) + throw
: to throw upward : cast up
II. ˈ ̷ ̷ˌ ̷ ̷ noun
1.
a. : an upward displacement (as of a stratum or a seam in a mine)
b. : the body of rock on the side of a fault that has moved or appears to have moved upward during the faulting in relation to that on the other side of the fault
c. : an upheaval of the earth's crust
2. : the amount of upward displacement in a fault — compare throw