D defs.my
Entry 2 senses Webster, 1913

Foy

/(foi)/ · IPA /fˈɔɪ/
01 n. Faith; allegiance; fealty.
  1. 1.
    Faith; allegiance; fealty.[Obs.]
  2. 2.
    A feast given by one about to leave a place.[Obs.]
    “He did at the Dog give me, and some other friends of his, his foy, he being to set sail to-day.” Pepys.