ˈmō(ˌ)sō noun
( -s )
Etymology: Spanish, literally, boy, from Old Spanish moço
1. chiefly Southwest
a. : a male hired to assist with household work or to attend to various small jobs or to do chiefly manual work of a usually somewhat heavy or menial kind: as
(1) : a male servant : male domestic
(2) : handyman
(3) : a luggage porter
(4) : laborer
b. : a waiter in a restaurant or other dining room
2. chiefly Southwest : a male hired to assist with a train of pack animals