/ ˈprestəʊ; NAmE ˈprestoʊ/ exclamation , adverb , adjective , noun
■ exclamation
( NAmE ) = hey presto
■ adverb , adjective
(used as an instruction in a piece of music) very quickly
■ noun
( pl. -os ) a piece of music that should be performed very quickly
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WORD ORIGIN
Italian , quick, quickly , from late Latin praestus ready, from Latin praesto at hand.