boy·cott /'bȯi-ˌkät/ vt: to engage in a concerted refusal to have dealings with (as a store, business, or organization) usu. to express disapproval or to force acceptance of certain conditions see also primary boycott, secondary boycott
◇ A boycott of a business by its competitors, suppliers, or buyers that has the effect of preventing the business's access to the market is a violation of the Sherman Antitrust Act.
boycott n
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.