Meaning of the word "St. Patrick's Day" in English

What does "St. Patrick's Day" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

St. Patrick's Day

US /ˌseɪnt ˈpæt.rɪks ˌdeɪ/
UK /sənt ˈpæt.rɪks deɪ/
"St. Patrick's Day" picture

Noun

a cultural and religious holiday celebrated annually on March 17, commemorating the death of Saint Patrick, the foremost patron saint of Ireland

Example:
Many cities hold parades to celebrate St. Patrick's Day.
People often wear green on St. Patrick's Day.