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Webster 1913 Edition

{

(sĕm′ĭ-kwŏdˊrā̍t)

(sĕm′ĭ-kwa̤rˊtĭl)

, }

Noun.

(Astrol.)

An aspect of the planets when distant from each other the half of a quadrant, or forty-five degrees, or one sign and a half.

Hutton.