adv. [f. TREBLE a. + -LY2.]

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  1.  In a threefold degree or manner; triply.

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1590.  Spenser, F. Q., I. xi. 22. Trebly augmented was his furious mood.

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1629.  Wadsworth, Pilgr., v. 47. She was left destitute, the … Iesuites being trebly paid.

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1697.  Dryden, Æneid, X. 1113. Linnen trebly rowl’d.

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1814.  Scott, Ld. of Isles, III. vii. Wicket and gate were trebly barr’d, By beam and bolt and chain.

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1850.  Tennyson, In Mem., cii. 16. This hath made them trebly dear.

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  † 2.  In a treble or high-pitched tone. Obs. rare–1.

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1679.  in Verney Mem. (1907), II. 330. A Mercy, wch makes mee merrily & Trebly sing, Gaudiamus and Haleluia.

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