noun
Union Jack
Refers specifically to the national flag of the United Kingdom. Used as a proper noun; often appears in contexts about British culture, events, or design.
イギリスの国旗はユニオンジャックと呼ばれている。
The British national flag is called the Union Jack.
そのTシャツにはユニオンジャックがプリントされていた。
The T-shirt had a Union Jack printed on it.
Variant with interpunct; less common in running text but seen in some publications.
Borrowed from English 'Union Jack', referring to the flag of the United Kingdom.