Wiktionary
a. 1 (context grammar English) Referring to four (or more) things; of, in or relating to the #Noun grammatical number. 2 (context mathematics English) Of or relating to #Noun polynomials. n. 1 (context grammar English) A http://en.wikipedia.org/wiki/grammatical%20number referring to four (or more) things. 2 (context mathematics English) A set of points with all the combinatorial properties of a quadric (a quadric being the set of points of PG(''n'', ''q'') whose coordinates satisfy a quadradic equation). (attention: en) 3 (context in discussions of the rhythm of written works English) (rfdef: English) 4 (context printing English) (rfdef: English)
Usage examples of "quadral".
A quadral line running between the sinister and dexter stars of the Hyperal Cross pierced the vertical plane at right angles to both arms of the Vertical Cross .