Allegro is defined as a quickness of tempo.(adverb)
An example of something that can be described as allegro is a portion of an orchestral piece.
The definition of an allegro is a portion of the music that moves quickly.(noun)
An example of an allegro is the third movement of Beethoven's Piano Sonata No. 8.
See allegro in Webster's New World College Dictionary
Origin: It < L alacer, brisk, sprightly, cheerful
noun pl. allegros
See allegro in American Heritage Dictionary 4
adverb & adj. Abbr. allo
Origin: , from Latin alacer, lively.
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