Definition of overstand:
(v) :
(Rastafarianism, US black subculture): To have complete or intuitive comprehension of; to understand fully.
(v) :
(transitive) To stand too strictly on the demands or conditions of.
(v) :
(yachting, boat racing): To sail to the mark at a wider angle than is the normal upwind angle, to go beyond the layline
(v) :
(forestry, of a coppice): To be neglected and left uncut for too long.
(n) :
(lutherie) The measurement between the top plate and the fingerboard where the neck meets the body of the instrument.
(v) :
(rare) To stand or insist too much or too long; overstay.