Gr. Myth. a poor old woman who, with her husband, Philemon, shows such hospitality to the disguised Zeus and Hermes that the grateful gods turn their humble cottage into a temple
See Baucis in American Heritage Dictionary 4
(bôˈsĭs)
noun Greek Mythology
A peasant woman of Phrygia who together with her husband Philemon received with great hospitality Zeus and Hermes disguised as men. The gods rewarded the couple by turning them in their old age into intertwining linden and oak trees.