Also 5–7 quadrat. [ad. L. quadrāt-us, pa. pple. of quadrāre to square: see QUADRATE v.]
1. Square, rectangular. Now rare.
1398. Trevisa, Barth. De P. R., XIX. cxviii. (1495), 922. Quadrate shape and square is moost stedfaste and stable.
1483. Caxton, Gold. Leg., 332 b/2. For whanne euery beest was quadrate as we may ymagyne In a quadrate ben foure corners and euery corner was a penne.
1538. Leland, Itin., III. 44. A strong Castel quadrate having at eche corner a great Round Tower.
1560. Rolland, Crt. Venus, I. 139. Tabletis of gold, bayth quadrate als & round.
1593. Norden, Spec. Brit. M’sex, I. 35. The form of the building is quadrate.
1813. T. Busby, Lucretius, II. iv. 437. And circular appears the quadrate pile.
1866. Huxley, Preh. Rem. Caithn., 137. The quadrate pelvis is that which is compressed … so that the brim is almost quadrangular.
1880. Bastian, Brain, 77. These two pairs of ganglia … are combined into one quadrate mass in Hyalea.
Comb. 1610. Guillim, Heraldry, II. vii. (1660), 85. This is termed Quarter pierced, quasi, Quadrate pierced for that the piercing is square as a Trencher.
† b. Math. Of numbers or roots. = SQUARE. Obs.
c. 1430. Art of Nombrynge (E.E.T.S.), 14. .4. is the first nombre quadrat, and 2. is his rote.
1571. Digges, Pantom., I. xxv. H j. These two ioyned together make 43600, whose Quadrate roote being about 208 pace 3 foote is the Hypothenusall line AC.
1611. Speed, Hist. Gt. Brit., IX. viii. § 31. 552. The Rings Roundnesse must remember the King of Eternitie; the Quadrat number of Constancy.
1646. Sir T. Browne, Pseud. Ep., 215. Consisting of square and quadrate numbers [viz. 49 and 81].
1655–60. Stanley, Hist. Phil. (1687), 527/2. The Tetrad … being quadrate … is divided into Equals.
c. Anat. in the distinctive names of certain parts of the body having an approximately square shape.
Quadrate bone, a special bone in the head of birds and reptiles, by which the lower jaw is articulated to the skull. Quadrate muscle, the name of several muscles, esp. the quadratus lumborum (of the loins), q. femoris (of the thigh), and q. pronator (in the forearm): see QUADRATUS.
1856–8. W. Clark, Van der Hoeven’s Zool., II. 334. The quadrate bone of birds is … divided above into two arms.
† 2. Astron. = QUARTILE a. Obs.
This use of quadrate is due to the fact that the lines joining four equidistant points on a circle form a square; hence also the sign for ‘quartile aspect’ is □, as that for ‘trine’ is △. Cf. QUADRATURE 4.
1552. Huloet, Quadrate aspecte of the planettes.
1594. Blundevil, Exerc., IV. pr. 43 (1636), 501. And they [two Planets] are said … to be in a quadrat aspect when they are distant one from another, by three signes.
1601. Holland, Pliny, I. 12. The planet of Mars … maketh station but in quadrate aspect: as for Iupiter, in triangle aspect.
1685. Boyle, Enq. Notion Nat., v. 126. At some time She and the Sun should have a Trine, or a Quadrate Aspect.
† 3. fig. Complete, perfect. Obs.
1608. J. King, Serm. St. Mary’s, 7. There yet remaineth a fourth point to make vp a quadrate and perfitt honor of the King.
c. 1645. Howell, Lett., VI. (1650), 253. The Moralist tells us that a quadrat solid wise man should … be still the same.
1679. Harby, Key Script., II. 45. That future quadrate Righteousness of Gospel-Promise.
† 4. Conformable, corresponding (to or with). Cf. QUADRANT a. 2. Obs.
a. 1657. R. Loveday, Lett. (1663), 68. To construe me right, and believe my meaning quadrate to my words.
1674. S. Vincent, Yng. Gallant’s Acad., 99. His word and his meaning are quadrate, and never shake hands and part.
1720. Welton, Suffer. Son of God, I. vi. 112. Whose State of Life is Quadrate and Concentrick with the Low and Humble Poverty of their Redeemer.
5. Her. Cross quadrate, a cross that expands into a square at the junction of the arms.
1780. Edmondson, Compl. Body Heraldry, I. [See of] Litchfield. Per pale gu. and ar. a cross potent quadrat.
1797. Encycl. Brit. (ed. 3), VIII. 452/1.
