[1] : The Collaborative International Dictionary of English v.0.48

ostiary \os"tiary\, n.; pl. -ries. l. ostium door,
   entrance. see usher.
   1. the mouth of a river; an estuary. r. --sir t. browne.
      1913 webster

   2. one who keeps the door, especially the door of a church; a
      porter. --n. bacon.
      1913 webster
see also:
-ries usher 

[2] : WordNet (r) 2.0

ostiary
     n 1: the lowest of the minor holy orders in the unreformed
          western church but now suppressed by the roman catholic
          church syn: doorkeeper, ostiarius
     2: someone who guards an entrance syn: doorkeeper, doorman,
         door guard, hall porter, porter, gatekeeper
see also:
doorkeeper ostiarius doorman door guard hall porter porter 
gatekeeper 

Ostiary >> O Words
Ostiary, definition of term: Ostiary
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