bread-and-butter letter

bread-and-butter letter

a letter or note written to follow up on a visit; a thank-you note. When I got back from the sales meeting, I took two days to write bread-and-butter letters to the people I met. I got sort of a bread-and-butter letter from my nephew, who wants to visit me next summer.
See also: letter

bread-and-butter letter

A thank-you letter from guest to host. For example, Mother always had to remind the children to send Grandma a bread-and-butter note. [c. 1900]
See also: letter