QUADRANTAL
Etymology 1
Noun
quadrantal (plural quadrantals)
An ancient Roman unit of measure for liquids.
cube
Etymology 2
Adjective
quadrantal (not comparable)
(geometry) Of or relating to a quadrant, or included in the fourth part of a circle.
Source: Wiktionary
Quad*ran"tal, a. Etym: [L. quadrantalis containing the fourth fourth
part of a measure.] (Geom.)
Definition: 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 90º.
– Quadrantal versor, a versor that expresses rotation through one
right angle.
Quad*ran"tal, n. Etym: [L.]
1. (Rom. Antiq.)
Definition: A cubical vessel containing a Roman cubic foot, each side being
a Roman square foot; -- used as a measure.
2. A cube. [R.]
Source: Webster’s Unabridged Dictionary 1913 Edition