Definition of "Deform" :
verb: assume a different shape or form
verb: alter the shape of (something) by stress
"His body was deformed by leprosy."
verb: become misshapen
"The sidewalk deformed during the earthquake."
verb: cause (a plastic object) to assume a crooked or angular form
verb: twist and press out of shape
verb: make formless
"The heat deformed the plastic sculpture."