A removal, especially of a ruler or government, by force or threat of force.
(sports) A noun "overthrow" represents a throw that goes too far, particularly in the context of cricket, where it refers to a run scored by the batting side when a fielder throws the ball back to the infield, which then continues to the opposite outfield.
(transitive) To bring about the downfall of (a government, etc.), especially by force.
(transitive, now rare) To throw down to the ground, to overturn.
(transitive, intransitive) To throw (something) so that it goes too far.