(transitive) To nurture or bring up offspring, or to provide similar parental care to an unrelated child. / (transitive) To cultivate and grow something. / (transitive) To nurse or cherish something.

(countable, informal) A foster parent. / (uncountable) The care given to another; guardianship.

An English surname originating as an occupation, variant of Forster. / A male given name transferred from the surname. / A former settlement in San Diego County, California.

Capable of being fostered; suitable for fostering.

The act of fostering or encouraging something. / (obsolete) food; nourishment

present participle of cross-foster

the technique of removing eggs from the nest of one species of bird, to be incubated in the nest of another. Usually done to aid the recovery of endangered species.

plural of foster parent

An adult who cares for a child who has been placed in foster care.

A family having at least one foster child.