1. : a market (as in the Middle East) consisting of rows of shops or stalls selling miscellaneous goods. 2. a. : a place for the sale of goods.

Bazaar is originally a Persian word, and means "marketplace" all over the Middle East. The word was picked up by the Italians, and spread through Europe and into English. At a bazaar in Istanbul, you'd find food, electronics, clothes — useful stuff.

Writers often ask whether to use "bazar" and "bazaar." As shown by the graph below, the word "bazar" has been replaced by "bazaar" to the extent that "bazar" is now considered a spelling mistake. (See this graph for yourself using Google's Ngram viewer.)

an open market where people sell things, or any group of small shops or people selling goods. A bazaar is also an event where people sell things to raise money for an organization, such as a school or hospital: Our school is having its springtime bazaar next Saturday.