'Postmaster' definitions:

Definition of 'postmaster'

From: WordNet
noun
The person in charge of a post office

Definition of 'Postmaster'

From: GCIDE
  • Postmaster \Post"mas`ter\, n.
  • 1. One who has charge of a station for the accommodation of travelers; one who supplies post horses. [1913 Webster]
  • 2. One who has charge of a post office, and the distribution and forwarding of mails. [1913 Webster]