The Collaborative International Dictionary of English v.0.48:
Overthrow \O`ver*throw"\, v. t. [imp. Overthrew; p. p.
Overthrown; p. pr. & vb. n. Overthrowing.]
1. To throw over; to overturn; to upset; to turn upside down.
His wife overthrew the table. --Jer. Taylor.
2. To cause to fall or to fail; to subvert; to defeat; to
make a ruin of; to destroy; as, to overthrow a government.
[1913 Webster +PJC]
When the walls of Thebes he overthrew. --Dryden.
[Gloucester] that seeks to overthrow religion.
3. (Baseball) To throw (a baseball) beyond; to throw too high
and too far; to overshoot; as, the shortstop overthrew
the first baseman.
Syn: To demolish; overturn; prostrate; destroy; ruin;
subvert; overcome; conquer; defeat; discomfit; vanquish;