noun
: a screw the threads of which (as of a common wood screw) wind spirally in such a direction that the screw advances away from the observer when turned with a right-handed rotation in a fixed nut
noun
: a screw the threads of which (as of a common wood screw) wind spirally in such a direction that the screw advances away from the observer when turned with a right-handed rotation in a fixed nut
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012