chào cờ

chào (“to greet, to salute”) +‎ cờ (“flag”). The "morning wood" sense alludes to the flag rising during the ceremony.

• (Hà Nội) IPA^(key): [t͡ɕaːw˨˩ kəː˨˩]
• (Huế) IPA^(key): [t͡ɕaːw˦˩ kəː˦˩]
• (Hồ Chí Minh City) IPA^(key): [caːw˨˩ kəː˨˩]

chào cờ

1. to salute the national flag as a sign of respect during national anthem ceremony

   Các trận bóng đá quốc tế thường bắt đầu bằng nghi lễ chào cờ.

   International football matches often start with national anthems.

2. (slang) to have morning wood

chào cờ

1. (education) a routine assembly or gathering at elementary and secondary schools, usually on the Monday morning (sometimes evening) of each week, which involves flag salutation and a breakdown of last week's accomplishments and current school and class objectives

   Con trai mặc đồ bình thường, nhưng con gái phải mặc áo dài ngày chào cờ.

   Boys can just dress normally, but girls have to wear aodai for the Monday assembly.