Defn: To mark with a post-office stamp; as, to postmark a letter or parcel.
POSTMASTER
Post"mas`ter, n.
1. One who has charge of a station for the accommodation of travelers; one who supplies post horses.
2. One who has charge of a post office, and the distribution and forwarding of mails.
POSTMASTER-GENERAL
Post"mas`ter-gen"er*al, n.; pl. Postmasters-general.
Defn: The chief officer of the post-office department of a government. In the United States the postmaster-general is a member of the cabinet.
POSTMASTERSHIP
Post"mas`ter*ship, n.
Defn: The office of postmaster.
POSTMERIDIAN Post`me*rid"i*an, a. Etym: [L. postmeridianus; post after + meridianus. See Meridian.]
1. Coming after the sun has passed the meridian; being in, or belonging to, the afternoon. (Abbrev. P. M.)