Definition of "piazza"

piazza

/piˈæt.sə/

noun
plural piazzas or piazze
1. A public square, especially in Italian cities.
  Quotations
  Incidentally, the yard in front of the Granary, now a lovely piazza, was once a canal basin that had been filled in decades before.
  2021 December 1, Nigel Harris, “St Pancras and King's Cross: 1947”, in RAIL, number 945, page 43
2. (US dialects, especially New England, dated) A veranda; a porch.
  Quotations
  Pretty soon I struck into a sort of path […]. It twisted and turned, […] and opened out into a big clear space like a lawn. And, back of the lawn, was a big, old-fashioned house, with piazzas stretching in front of it, and all blazing with lights.
  1913, Joseph C. Lincoln, chapter 1, in Mr. Pratt's Patients
3. (UK) A roofed gallery or arcade (for example around a public square or in front of a building).