noun
cover letter; transmittal letter
A letter sent with documents or goods to explain the contents or purpose. Often used in business contexts.
See also: カバーレター
履歴書に送付状を添えて郵送した。
I mailed my resume with a cover letter.
見積書と一緒に送付状を同封してください。
Please enclose a transmittal letter with the quotation.