1 Keep in mind that some states also impose their own state inheritance or estate taxes. California, however, has no state inheritance or estate tax.  The ability to give away more at death without paying federal estate tax may make some of you more comfortable with the idea of making larger gifts during your lifetime.
Freebase(0.00 / 0 votes)Rate this definition: Piazza. A piazza is a city square in Italy, Malta, along the Dalmatian coast and in surrounding regions. The term is roughly equivalent to the Spanish plaza. In Ethiopia, it is used to refer to a part of a city.
Piazza di Spagna. The Piazza di Spagna is one of the most popular meeting places in Rome. It is also one of the most visually pleasing squares. The combination of a monumental staircase (the famous Spanish Steps), an obelisk and a beautiful church is a draw for tourists and photographers.