Galathea \g(a)-la-thea\ as a girl's name is a variant of Galatea (Greek), and the meaning of Galathea is "white as milk".
The baby name Galathea sounds like Galatee and Caltha. Other similar baby names are Alathea, Alethea, Elethea, Alithea, Alathia, Althea, Elthea, Calantha, Kalantha, Calanthe, Galea, Glaurea, Olathe, Olethea, Filothea, Talitha and Taletha.