USHER

I. noun see: ostium Date: 13th century 1. an officer or servant who has the care of the door of a court, hall, or chamber, an officer who walks before a person of rank, one who escorts persons to their seats (as in a theater), an assistant teacher, II. verb (~ed; ~ing) Date: 1588 transitive verb to conduct to a place, to precede as an ~, forerunner, or harbinger, to cause to enter ; introduce , intransitive verb to serve as an ~