domiciliary UK /ˌdɒm.ɪˈsɪl.jə.ɹi/US /ˌdɑ.mɪˈsɪl.jə.ɹi/adjective 1noun 1forms 1 adjective1 •Of or relating to a domicilethe personal and domiciliary rights of the citizen were scrupulously guarded — 1856 noun1 •A person who legally resides in a particular place.Joe travels all over the country, but he is a domiciliary of New York. formsdomiciliaries