Definition from Wiktionary, the free dictionary
fosterling (plural fosterlings)
- a foster child
1904, Unknown, The Cattle-Raid of Cualnge (Tain Bo Cualnge):
- 'We know him indeed, this boy,' said Conall Cernach, 'and we know him none the worse that he is a fosterling of ours.
foster child — see foster child