Madame Tus·saud’s /ˌmædəm tʊˈsɔːdz $ ˌmædəm tʊˈsəʊz, məˌdæm-/ a museum in London that contains models of famous people, both living and dead, made of wax. It was started by a French woman called Madame Tussaud in 1802. New models are added as new people become famous. The museum is also famous for its ‘Chamber of Horrors’, a special area with models of famous criminals and murderers.