- a foster father or foster mother.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for foster parent
His first war was with the city of Alba Longa, the foster-parent of Rome.Historic Tales, Volume 11 (of 15)
The various Orders all lay practically the same duties on the foster-parent.English Poor Law Policy
Biochemistry came into being and, with Liebig as foster-parent, grew into modern Physiology.
Professor Lloyd Morgan was foster-parent to two moorhens which grew up in isolation from their kindred.The Outline of Science, Vol. 1 (of 4)
J. Arthur Thomson
The cowbird hatched and reared by the sparrow, or the warbler, or the vireo does not sing the song of the foster-parent.Ways of Nature