ostiary Meaning, Definition & Usage

  1. noun the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church
    ostiarius; doorkeeper.
  2. noun someone who guards an entrance
    gatekeeper; door guard; doorkeeper; doorman; porter; hall porter.

WordNet

Os"ti*a*ry noun
Etymology
L. ostium door, entrance. See Usher.
Wordforms
plural -ries
Definitions
  1. The mouth of a river; an estuary. R. Sir T. Browne.
  2. One who keeps the door, especially the door of a church; a porter. N. Bacon.

Webster 1913