a. and sb. Astr. and Astrol. [ad. med.L. quartīlis, f. quartus fourth: cf. quintile, sextile.]

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  A.  adj. Quartile aspect, the aspect of two heavenly bodies which are 90° distant from each other. (Cf. QUADRATE a. 2.) b. Connected with, relating to, a quartile aspect.

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1585.  Lupton, Thous. Notable Th., VIII. § 43 (1660), 201. If the Aspect be … by a Quartile or Opposite Aspect, he shall get it with tediousness.

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1647.  Lilly, Chr. Astrol., i. 26. When two Planets are ninety degrees distant one from another, wee call that Aspect a Quartile Aspect, and write it thus, □.

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1768.  Smeaton, in Phil. Trans., LVIII. 166. If the quartile observations are made when the planets are considerably to the east or west of the meridian.

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1856.  R. A. Vaughan, Mystics (1860), II. 51. To think that he must toil in obscurity like a gnome, calculating aspects, sextile and quartile.

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  B.  sb. A quartile aspect; a quadrature.

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1509.  Hawes, Past. Pleas., XXXVI. (Percy Soc.), 188. When fyve bodies above on the heaven Wente retrogarde … With divers quartils.

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1621.  Burton, Anat. Mel., I. i. I. i. The Heauens threaten vs with their … oppositions, quartiles, and such vnfriendly aspects.

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1686.  Goad, Celest. Bodies, I. vi. 22. The Full Moon, the Interlunia, and the Quartiles.

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1768.  Smeaton, in Phil. Trans., LVIII. 163. Let the place of Mars be observed when the Moon is nearest her quartile with Mars.

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1839.  Bailey, Festus, ix. (1852), 121. Your partite quartiles, and your plastic trines, And all your Heavenly houses and effects.

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