'Quadrantal' definitions:

Definition of 'Quadrantal'

From: GCIDE
  • Quadrantal \Quad*ran"tal\, n. [L.]
  • 1. (Rom. Antiq.) A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; -- used as a measure. [1913 Webster]
  • 2. A cube. [R.] [1913 Webster]

Definition of 'Quadrantal'

From: GCIDE
  • Quadrantal \Quad*ran"tal\, a. [L. quadrantalis containing the fourth fourth part of a measure.] (Geom.) 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[deg].
  • Quadrantal versor, a versor that expresses rotation through one right angle. [1913 Webster]