Definify.com
Webster 1913 Edition
Allegro
‖
Al-le′gro
,Adj.
[It., merry, gay, fr. L.
alacer
lively. Cf. Aleger
.] (Mus.)
Brisk, lively.
– Noun.
An allegro movement; a quick, sprightly strain or piece.
Webster 1828 Edition
Allegro
ALLE'GRO.
[See Light.]In music, a word denoting a brisk movement; a sprightly part or strain; the quickest except presto. Piu allegro is a still quicker movement.