ringman
n.— «By a direct phone link, the Ontario buyers will be able to place bids with the ringman, who will pass them on to the auctioneer.» —“Western cattle make star trek to help bridge regional gap” by Robert Sheppard Globe and Mail (Toronto, Can.) Oct. 29, 1983. (source: Double-Tongued Dictionary)
Further reading
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
One of the celestial bodies listed in The Dictionary of Minor Planet Names(Amazon) is called Sumaura. It’s the name of the oldest private elementary school in Kobe, Japan, and was suggested by the discoverer’s son. This is part of a...