Noun
(finance) The sector of the finance industry that sells products such as stocks, bonds, and mutual funds to investors.
(e-commerce) A model of e-commerce in which the seller hosts an application that enables buyers to purchase their products.
Source: en.wiktionary.orgI left Goldman Sachs. I was thinking about going to another Wall Street place. I didn't want to do that. That was crazy. After you work on Wall Street, it's a choice: would you rather work at McDonald's or on the sell side? I would choose McDonald's over the sell side. David Tepper