a. Obs. rare. [f. L. altern-us: see ALTERN and -AL I. 3.] = ALTERNATE a.

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1571.  T. N[ewton], Lemnie’s Touchst. Complex. (1633), 91. That thing that lackes alternall rest, continue cannot long.

2

1611.  Florio, Vicissitudinale, according to an alternall or enterchangeable course. [Not in J.; but in Todd, etc.]

3