a. Obs. rare1. [ad. OFr. alègre:late L. alācr-em. Cf. It. allegro.] Lively, cheerful.
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1626. Bacon, Sylva, § 738. The Root, and Leafe Betell; The Leafe Tobacco; And the Teare of Poppy, doe all Condense the Spirits, and make them Strong, and Aleger.