CURVE, adjective [Latin , bent, crooked; to bend, turn or wind.] Bending; crooked; inflected in a regular form, and forming part of a circle; as a curve line, which may be cut by a right line in more points than one. A curve line is that which is neither a straight line, nor composed of straight lines.
CURVE, noun A bending in a regular form, or without angles; that which is bent ; a flexure; part of a circle. In geometry, a line which may be cut by a right line in more points than one.
CURVE, verb transitive [Latin] To bend; to crook; to inflect.