mano a manoman‧o a man‧o /ˌmænəʊ ɑː ˈmænəʊ $ ˌmɑːnoʊ ɑː ˈmɑːnoʊ/ adverb 
with only two people involved SYN one-to-one: 
He finally faced up to his father, mano a mano, telling him he was going to leave college.
with only two people involved SYN one-to-one: He finally faced up to his father, mano a mano, telling him he was going to leave college.