Focus on the pronunciation of boiler room
English definition of “boiler room”
noun [C] (also boiler shop) disapproving FINANCE, STOCK MARKET
› a small organization that illegally sells shares of very little or no value. People who work for boiler rooms use dishonest or unpleasant methods to persuade customers to buy shares: Agents infiltrated a so-called "boiler room" where illegal forex contracts were being traded.