Columbus Day
noun [ C usually singular ] uk/kəˈlʌm.bəs ˌdeɪ/ us/kəˈlʌm.bəs ˌdeɪ/
（美国）哥伦布日
a US holiday on the second Monday in October when people in some states remember Christopher Columbus, one of the first Europeans to arrive in the Americas
See also: Indigenous People's Day