a. Also 7 -ane. [ad. L. trīduān-us, f. trīduum: see below and -AN.] Lasting for three days (in quot. 1600 transf.); also, occurring every third day.
1597. J. King, On Jonas (1618), 299. The triduan rest of Christ in the graue, must bee vnderstood by the figure synecdoche, a part put for the whole.
1600. W. Watson, Decacordon (1602), 48. To raise a triduane Lazarus from death to life againe.
1658. Phillips, Triduan, (Lat.) continuing three dayes.
1755. Johnson, Triduan, 1. Lasting three days. 2. Happening every third day.
