Gr. Myth. the fifty daughters of Danaus, a king of Argos: forty-nine murder their husbands at their father's command and are condemned in Hades to draw water forever with a sieve
See Danaides in American Heritage Dictionary 4
also Da·na·ï·des(də-nāˈĭ-dēzˌ)
plural noun Greek Mythology
The daughters of Danaus, who at their father's command murdered their bridegrooms on their wedding night and were condemned in Hades to pour water eternally into a leaky vessel.