What is the meaning of Deal_in?

To deal cards to someone entering a game; to enter someone into a game by dealing cards to that person.

To trade (buy and sell) a named commodity.

To accept (something or a piece of information) as a basis for a decision. (Can we add an example for this sense?)

To have an interest in something. (Can we add an example for this sense?)

To give (someone) a share or portion of something; to include (someone) in a plan or scheme.

Source: wiktionary.org

See also