D defs.my
Entry 2 senses Webster, 1913

Fiesta

/fē-ĕs'-tə/ · Fies·ta · IPA /fiˈɛstə/
01 n. Among Spanish, a religious festival; a saint's day or holiday; also, a holiday or festivity.
  1. 1.
    Among Spanish, a religious festival; a saint's day or holiday; also, a holiday or festivity.
    “Even . . . a bullfight is a fiesta.” — Am. Dialect Notes.
    “Some fiesta, when all the surrounding population were expected to turn out in holiday dress for merriment.” — The Century.
  2. 2.
    an organized series of acts and performances.
Syn. festival, feast, fete.