From Longman Dictionary of Contemporary Englishdohdoh, do /dəʊ $ doʊ/ noun [singular, uncountable] APMthe first or eighth note in the sol-fa musical scaleDOH, thethe DOHDOH, the /ˌdiː əʊ ˈeɪtʃ $ -oʊ-/ (the Department of Health) a British government department which is responsible for health programmes in the UK and for the National Health Service