Overturn, v. t. [imp. & p. p. Overturned; p. pr. & vb. n. Overturning.]
1. To turn or throw from a basis, foundation, or position; to overset; as, to overturn a carriage or a building.
2. To subvert; to destroy; to overthrow.
3. To overpower; to conquer. Milton.
Syn. -- To demolish; overthrow. See Demolish.
1 other Webster entry under this spelling
Overturn, n.
The act off overturning, or the state of being overturned or subverted; overthrow; as, an overturn of parties.