from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tempo mark directing that a passage is to be played allegro, but not too much so.
- n. A passage having this mark.
- adv. Played in this manner.
- adj. Describing a passage having this mark.
From the Italian allegro ("fast") ma ("but") non ("not") troppo ("too much"). (Wiktionary)