quadrantal

• POS: Adjective
• HYPHEN: quad=ran=tal

CIDE DICTIONARY

quadrantal, a. [L. quadrantalis containing the fourth fourth part of a measure.].

 Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space.  [1913 Webster]

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.

quadrantal, n. [L.].

•  A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; -- used as a measure.  [1913 Webster]
•  A cube.  [1913 Webster]