say it: PREH-stoh
presto is an adverb and adjective meaning "suddenly". It carries 3 recorded senses.
suddenly
“Presto! begone! 'tis here again”
at a very fast tempo (faster than allegro)
music
(of tempo) very fast
Definitions, synonyms and semantic relations for presto come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.