A wet market is a kind of outdoor market where people sell different kinds of food. The food sold at wet markets is generally fresh, which means it has not been frozen and then thawed, like food from a grocery store. The food is usually grown or caught locally, so it is usually very fresh. There's usually a lot of different kinds of food available, such as fish, seafood, vegetables, and fruit. In some countries, like China, you can also find meat and poultry.