Definition of mail merge in English English dictionary
A software product that uses a file (or database) of names and addresses, together with a template document, to produce multiple copies of a letter, each personally addressed to a different recipient
pulling of data from an address list into a file which is written for the purpose of sending a uniform document to many addressees
Mail merge is a word processing procedure which enables you to combine a document with a data file, for example a list of names and addresses, so that copies of the document are different for each person it is sent to. He sent every member of staff a mail-merge letter wishing them a merry Christmas!