Quadrantal

a.	1.	(Geom.) Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space. Quadrantal triangle a spherical triangle having one side equal to a quadrant or arc of 90°. Quadrantal versor a versor that expresses rotation through one right angle.
n.	1.	(Rom. Antiq.) A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; - used as a measure.
	2.	A cube.