Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilitylegionnaires' diseaseˌlegionˈnaires' disˌease noun [uncountable] MIa serious disease that affects your lungsExamples from the Corpuslegionnaires' disease• Equipment should not be installed if it is likely to give rise to legionnaire's disease. ldoceonline.com
