noun
or erasing shield or erasure shield
: a thin plate (as of metal or celluloid) with holes usually of several sizes used to confine an erasure to a limited area
noun
or erasing shield or erasure shield
: a thin plate (as of metal or celluloid) with holes usually of several sizes used to confine an erasure to a limited area
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012