coolroom noun2 •An item of laboratory equipment: a large cupboard, or room kept below room temperature, for long-term stable storage. •A large cupboard or room kept below room temperature for the long-term stable storage of perishable foods in a restaurant.Mr Thorneycroft, 43, doused deadly embers while 20 women and children sheltered in the Kinglake National Park Hotel coolroom with their pets. — 2009 formscoolrooms
