- a small flat rectangular briefcase used for carrying documents, papers, etc
WordReference Random House Learner's Dictionary of American English © 2020
at•taˈché ˌcase, n. [countable]WordReference Random House Unabridged Dictionary of American English © 2020
a flat, usually stiff briefcase for carrying business papers, documents, etc.
a flat, usually rigid, rectangular briefcase for carrying business papers, documents, or the like. Also called dispatch case.
Collins Concise English Dictionary © HarperCollins Publishers::
attaché case n
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