This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A public square in an Italian town.

n. A roofed and arcaded passageway; a colonnade.

n. New England & Southern Atlantic U.S. A veranda.

n. A public square, especially in an Italian city.

n. A veranda.

n. An open square in a European town, especially an Italian town; hence (Arch.), an arcaded and roofed gallery; a portico. In the United States the word is popularly applied to a veranda.

n. An open square in a town surrounded by buildings or colonnades; a plaza: as, the piazza of Covent Garden; the Piazza del Popolo in Rome; the Piazza dell' Annunziata in Florence.

n. An arcaded or colonnaded walk upon the exterior of a building; a veranda; a gallery.

n. a public square with room for pedestrians

"No one is sure why the term piazza survives here while vanishing most everywhere else, but"

square    public square   

plaza   

veranda    portico    verandah    balcony    stairway    courtyard    nave    foyer    walkway    colonnade