Definition of ostiary in English:

ostiary

noun

  • A doorkeeper, especially of a church; specifically a member of the lowest of the four lesser orders in the pre-Reformation Western Church, and later in the Roman Catholic Church. Now historical.

Origin

Late 15th century; earliest use found in Higden's Polychronicon. From classical Latin ōstiārius ostiarius; compare -ary.

Pronunciation

ostiary

/ˈɒstɪəri/