Post office Meaning, Definition & Usage

  1. noun a local branch where postal services are available"
    local post office.
  2. noun an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
    PO; US Post Office; United States Post Office.
  3. noun a children's game in which kisses are exchanged for pretended letters

WordNet

Definitions
  1. . (a) An office under governmental superintendence, where letters, papers, and other mailable matter, are received and distributed; a place appointed for attending to all business connected with the mail . (b) The governmental system for forwarding mail matter.

Webster 1913