Di‐rect″er (?), n. One who directs; a director.
Directer plane(Geom.), the plane to which all right-lined elements in a warped surface are parallel.
Webster's Dictionary 1913
Di‐rect″er (?), n. One who directs; a director.
Directer plane(Geom.), the plane to which all right-lined elements in a warped surface are parallel.