a. [ad. L. triumvirāl-is, f. triumvir, TRIUMVIR.] Of or pertaining to a triumvir or a triumvirate.

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1579.  Twyne, Phisicke agst. Fort., I. xlii. 60 b. He was thought to haue condemned certayne in the Triumuiral proscription.

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a. 1671.  Ld. Fairfax, Mem. (1699), 82. The army had three Generals, Lesly, Manchester and Fairfax…. This Triumviral Government.

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1848.  Freeman’s Jrnl., 8 May, 2/5. His rejoinder to the triumviral supplication of Lansdowne, Russell, and Grey.

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1862.  Merivale, Rom. Emp., III. xxxi. 448. The triumviral commission which gave him the government of one third part of the empire.

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