名詞 ostiary:

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

os.ti.ar.y

n.（名詞）
【復(fù)數(shù)】 os.ti.ar.ies
Roman Catholic Church One who is ordained in the lowest of the former minor orders.
【羅馬天主教】 守門人：最低級圣職人員
A church doorkeeper.
教堂的看門人

來源：
Middle English hostiary
中古英語 hostiary
from Latin ôsti3rius [doorkeeper]
源自 拉丁語 ôsti3rius [看門人]
from ôstium [door]
源自 ôstium [門]
from ôs [mouth] * see ôs-
源自 ôs [口] *參見 ôs-