Definition of blind copy in English:

blind copy

noun

  • 1A copy of a document which omits certain information given in the original.

  • 2A copy of a communication which is sent confidentially to a recipient other than the primary addressee or addressees. Also: a facility in an email program which enables such copies to be sent, often used to send an email to multiple undisclosed recipients.

Origin

1940s. From blind + copy.

Pronunciation

blind copy

/ˈblʌɪnd ˌkɒpi/