RhymeZone: cao definitions

Definitions of Cao:

name: A surname (rare: 1 in 50000 families; popularity rank in the U.S.: #7425)

noun: (historical) A state of ancient China during the Zhou dynasty.
noun: A county in Heze Prefecture, Shandong, China.
noun: A surname.
noun: (Ireland) Initialism of Central Applications Office, the official body tasked with handling applications for students' first year of college.
adjective: (medicine) Initialism of conscious, alert and oriented. [Alert, awake; with one's mental faculties active.]

(Definitions from Wiktionary)