Webster’s Revised Unabridged Dictionary · 1913
Ostiary
Os′ti·a·ry, n.; pl. -ries (#). [L. ostium door, entrance. See Usher.] 1. The mouth of a river; an estuary. [R.] Sir T. Browne.
2. One who keeps the door, especially the door of a church; a porter. N. Bacon.