Emily Dickinson Lexicon

POST-MAS-TER, n.

The officer who has the superintendence and direction of a post-office. Postmaster-general, is the chief officer of the post-office department, whose duty is to make contracts for the conveyance of the public mails and see that they are executed and who receives the moneys arising from the postage of letters, pays the expenses, keeps the accounts of the office, and superintends the whole department.