- a girl raised like one's own daughter, though not such by birth or adoption.
Examples from the Web for foster daughter
Historical Examples of foster daughter
"Thou dost great honour, earl, to my foster-daughter and my house," he said.Eric Brighteyes
H. Rider Haggard
It was but right that he should ask M. Destournier for his foster-daughter.A Little Girl in Old Quebec
Amanda Millie Douglas
It was rediscovered by old Rosendo, and the title transferred to his foster-daughter.Carmen Ariza
Charles Francis Stocking
Fierce and angry did he look, as, high above his foster-daughter, he held his magic wand.
Undine, the foster-daughter of a good old fisherman and his wife, is a water nymph, and as such is born without a soul.