quatridual en · ADJ
Meanings
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(not-comparable, rare) Lasting four days
Those who are easily brought to spit, are to be anointed only for two days successively, and after the quatridual interval, to have the same repeated, for the reasons aforesaid.
1737, Jean Astruc, translated by William Barrowby, A Treatise of the Venereal Disease, translation of original in New Latin: