A person who helps people buy or sell things, such as houses or shares.

(computing) An intermediary program that translates a message from the formal messaging protocol of the sender to the formal messaging protocol of the receiver in a telecommunication network where programs communicate by exchanging formally-defined messages.

plural of tunnel broker

plural of power-broker

(computer networking) a service which provides a network tunnel

plural of sworn broker

(historical) A London broker who swore before the court of aldermen to maintain honesty in dealing.

(historical) A dealer in natural products, especially those imported from colonies or foreign countries.

plural of produce broker

(US politics) A political convention held during a presidential election when a political party fails to choose a nominee on the first round of delegate voting at the party's nominating convention.