Definition of blue boy in English:

blue boy

noun ˈbluː bɔɪ

1Any of various boys or men who wear blue clothing, or a blue uniform, livery, etc.; especially a boy who attends a blue coat school or similar charitable institution (now chiefly historical).
2Slang. A policeman. Also as a nickname. Usually in plural Compare "boys in blue".

Mid 17th century; earliest use found in William Davenant (1606–1668), poet, playwright, and theatre manager. From blue + boy.

nounˈbluː bɔɪ

1Any of various boys or men who wear blue clothing, or a blue uniform, livery, etc.; especially a boy who attends a blue coat school or similar charitable institution (now chiefly historical).
2Slang. A policeman. Also as a nickname. Usually in plural Compare "boys in blue".

Mid 17th century; earliest use found in William Davenant (1606–1668), poet, playwright, and theatre manager. From blue + boy.

词汇	blue boy
释义	Definition of blue boy in English: blue boy noun ˈbluː bɔɪ 1Any of various boys or men who wear blue clothing, or a blue uniform, livery, etc.; especially a boy who attends a blue coat school or similar charitable institution (now chiefly historical). 2Slang. A policeman. Also as a nickname. Usually in plural Compare "boys in blue". Origin Mid 17th century; earliest use found in William Davenant (1606–1668), poet, playwright, and theatre manager. From blue + boy. Definition of blue boy in US English: blue boy nounˈbluː bɔɪ 1Any of various boys or men who wear blue clothing, or a blue uniform, livery, etc.; especially a boy who attends a blue coat school or similar charitable institution (now chiefly historical). 2Slang. A policeman. Also as a nickname. Usually in plural Compare "boys in blue". Origin Mid 17th century; earliest use found in William Davenant (1606–1668), poet, playwright, and theatre manager. From blue + boy.
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