WordReference Random House Learner's Dictionary of American English © 2026
ciao /tʃaʊ/USA pronunciation
interj.
WordReference Random House Unabridged Dictionary of American English © 2026- Foreign Terms(used in greeting or parting):"Ciao,'' she answered with a little wave of her hand.
cia•o
(chä′ô; Eng. chou),USA pronunciation interj. [Italian.]
- Foreign Terms(used as a word of greeting or parting): hello;
goodbye;
so long;
see you later.