whirler

from The Century Dictionary.

• noun One who or that which whirls.
• noun In rope-manuf., one of the revolving hooks to which the hemp is fastened in the operations of twisting it into rope-yarn or small rope.
• noun In ceramics, a primitive horizontal wheel turned by one hand while the other hand of the potter fashions the clay; also a revolving wheel used by decorators in painting bands of slip, color, or gold on the ware; a decorating-wheel. See tournette.
• noun A revolving derrick used in loading iron ore on cars, or transferring it from cars to a vessel.
• noun An instrument designed to furnish a navigator with an artificial horizon when at sea. It is also known as Troughton's top, after its inventor, and spinner.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who, or that which, whirls.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person who, or thing that whirls

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a revolving mechanism
• noun a dervish whose actions include ecstatic dancing and whirling