Galatea Syllabification: (Gal·a·te·a)Pronunciation: /ˌgaləˈtēə/Definition of Galatea 1 Greek Mythology a sea nymph courted by the Cyclops Polyphemus, who in jealousy killed his rival Acis. 2the name given to the statue fashioned by Pygmalion and brought to life. Galatea in other Oxford dictionaries Definition of Galatea in the British & World English dictionary