from The American Heritage® Dictionary of the English Language, 4th Edition
- adv. Music With motion or animation. Used chiefly as a direction.
from The Century Dictionary and Cyclopedia
- In music, rapid: as, piu mosso, more rapid; meno mosso, less rapid.
Italian, past participle of muovere, to move, from Latin movēre; see meuə- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)