1. The superintendent of a post-office. Postmaster-general, the chief officer of the post-office department.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• postamster,
• postmaters,
• postemaster,
• posrmaster,
• postmaaster,
• postmaester,
• postmastrer,
• postmasterr,
• pstmaster,
• postaster,
• postmster,
• postmaser,
• postmastr,
• postmaste,
• postmastre,
• tostmaster,
• postmister,
• postmastes,
• postualtor,
• iornmaster

• postmortem,
• postmistress,
• postmodern,
• postmodernist,
• postnatal,
• postmeridian,
• postman,
• post meridiem,
• postmark,
• postmodernism,
• postmortal.

The adjective form of the word "postmaster" is "postmaster's".

The plural of the "postmaster" can be the "postmasters".

The singular of the "postmaster" can be the "postmaster".