Martin Luther King Jr. Day
nounNAmE//ˌmɑrtn ˌluθər ˌkɪŋ ˈdʒunyər ˌdeɪ//
(also Martin Luther King Day NAmE//ˌmɑrtn ˌluθər ˈkɪŋ deɪ//
)Check pronunciation: Martin Luther King Jr. Day
Definition of Martin Luther King Jr. Day noun from the Oxford Advanced American Dictionary