noun
: a line usually placed above the salutation in a business letter directing the letter to a specific individual, office, or department especially when the name of the person to whom the letter should go is unknown
noun
: a line usually placed above the salutation in a business letter directing the letter to a specific individual, office, or department especially when the name of the person to whom the letter should go is unknown
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012