( n. )
An instrument for drawing ellipses, one part of which consists of a cross with two grooves at right angles to each other, the other being a beam carrying two pins (which slide in those grooves), and also the describing pencil.
( n. )
An instrument for drawing ellipses, one part of which consists of a cross with two grooves at right angles to each other, the other being a beam carrying two pins (which slide in those grooves), and also the describing pencil.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012