noun, plural os·ti·ar·ies.

Also called doorkeeper, porter. Roman Catholic Church.
  1. a member of the lowest-ranking of the four minor orders.
  2. the order itself.Compare acolyte(def 2), exorcist(def 2), lector(def 2).
a doorkeeper, as of a church.

Origin of ostiary

1400–50; late Middle English hostiary < Latin ōstiārius doorkeeper, equivalent to ōsti(um) door, entrance (see ostium) + -ārius -ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ostiary

Historical Examples of ostiary

  • In the decline of his popularity he permitted his door-keeper, whom he dignifies with the title of Ostiary, to take a shilling!

British Dictionary definitions for ostiary


noun plural -aries

RC Church another word for porter 2 (def. 4)

Word Origin for ostiary

C15: from Latin ostiārius doorkeeper, from ostium door
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012