/al'i gret"oh/ ; It. /ahl'le grddet"taw/ , adj., adv., n., pl. allegrettos . Music.
adj. , adv.
1. light, graceful, and moderately fast in tempo.
n.
2. an allegretto movement.
[ 1730-40; allegr ( o ) ALLEGRO + -etto -ET ]
/al'i gret"oh/ ; It. /ahl'le grddet"taw/ , adj., adv., n., pl. allegrettos . Music.
adj. , adv.
1. light, graceful, and moderately fast in tempo.
n.
2. an allegretto movement.
[ 1730-40; allegr ( o ) ALLEGRO + -etto -ET ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012