/klee"oh/ for 1 also /kluy"oh/ , n. , pl. Clios for 2.
1. Class. Myth. the Muse of history.
2. any of a group of awards presented annually by the advertising industry for achievement in television commercials.
3. a female given name.
[ Kleió, equiv. to klei- (s. of kleîn to make famous, celebrate) + -o suffix used for women's names ]