noun

• (rare) A feast, a meal.
  "And now a maiden […] ſupplied them, next, / With a reſplendent table, which the chaſte / Directreſs of the ſtores furniſh'd with bread / And dainties, remnants of the laſt regale."
• (archaic) a choice article of food or drink.
• (archaic) refreshment.

verb

• (transitive) To please or entertain (someone).
  "You’ve Got Mail is certainly the basic model for the plot, which finds corporate candy shill Joel ([Paul] Rudd) and indie-sweetshop owner Molly ([Amy] Poehler) regaling their dinner companions with the very long, digressive story of how they met and fell in love."
• (transitive) To provide hospitality for (someone); to supply with abundant food and drink.
• (obsolete, intransitive) To feast (on, with something).
  "she hardly lets a Week pass without making the Lady Abbess and her Nuns a Visit, to regale with a Cup of burnt Brandy."
• (figurative, transitive) To entertain with something that delights; to gratify; to refresh.
  "to regale the taste, the eye, or the ear"