foy noun2 •(no longer used, rare) Faith, allegiance.He Easterland subdewd, and Danmarke wonne, / And of them both did foy and tribute raise, / The which was dew in his dead fathers dayes […] — 1590 •(no longer used) A feast given by one about to leave a place.To Westminster Hall in the morning with Captain Lambert, and there he did at the Dog give me and some other friends of his, his foy, he being to set sail to-day towards the Streights. — 1661 formsfoys