helicon[hel′i kän′, -kən]
helicon definition by Webster's New World
a brass instrument of the tuba family, consisting of a long, coiled tube that can be carried over the shoulder
Origin: probably ; from helico- plush arbitrary ending: from the shape
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
mountain group in SC Greece, on the Gulf of Corinth: in Greek mythology, the home of the Muses; highest peak, 5,735 ft (1,748 m)
helicon definition by American Heritage Dictionary
A large spiral brass tuba that fits around the player's shoulder.
Origin: Probably from Greek helix, helik-, spiral.
A mountain, 1,749.2 (5,735 ft) high, of central Greece. It was the legendary abode of the Muses and was sacred to Apollo.