A briefcase is a narrow box-shaped bag or case used mainly for carrying papers and other documents and equipped with a handle. Lawyers commonly use briefcases to carry briefs to present to a court, hence the name. Businesspeople and other professionals also use briefcases to carry important papers and, today, laptop computers.
OmegaWiki Dictionary
Ω
briefcase A flat, rectangular case with a handle, often of leather, used for carrying papers or books.