ostiary noun. ['ɒstɪǝri] LME.
[Latin ostiarius, formed as OSTIUM: see -ARY¹.]
1. Hist. A doorkeeper, esp. of a church; spec. a member of the lowest of the four lesser orders in the pre-Reformation Western Church, and later in the Roman Catholic Church. LME.

2. = OSTIUM 1. M-L17.

[TahlilGaran] English Dictionary ▲