from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Southwestern U.S. A man who helps with a pack train or serves as a porter.
- n. Southwestern U.S. An assistant.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a male servant, especially an attendant to a bullfighter
from The Century Dictionary and Cyclopedia
- n. A man-servant.
Spanish, boy, servant, mozo, from Old Spanish moço.(American Heritage® Dictionary of the English Language, Fourth Edition)
Spanish mozo. (Wiktionary)