From Longman Dictionary of Contemporary Englishmaitre d'mai‧tre d' /ˌmetrə ˈdiː $ ˌmeɪ-/ (also mâitre d'hôtel /ˌmetrə dəʊˈtel $ ˌmeɪtrə doʊ-/) noun [singular] BODFsomeone who is in charge of a restaurant, and who welcomes guests, gives orders to the waiters etc