noun
: a drawing board prepared by coating and embossing in such a way that a mark made upon it with crayon or pencil produces the effect of a tone formed by minute dots
noun
: a drawing board prepared by coating and embossing in such a way that a mark made upon it with crayon or pencil produces the effect of a tone formed by minute dots
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012