post·mas·ter 
(pōstmăs′tər)
(pōstmăs′tər)n.
A person who is in charge of the operations of a post office.
postmas′ter·ship′ n.
- vert
- vert.
- vertebra
- vertebral
- vertebral arch
- vertebral canal
- vertebral column
- vertebrally
- vertebrate
- vertex
- vertical
- vertical angle
- vertical circle
- vertical file
- vertical gene transfer
- verticality
- vertically
- verticalness
- vertices
- verticil
- verticillaster
- verticillastrate
- verticillate
- verticillated
- verticillately