Hula-Hoop

[ hoo-luh-hoop ]
/ ˈhu ləˌhup /

Trademark.

a brand name for a tubular plastic hoop, about 4 feet (1.2 meters) in diameter, for rotating about the body by swinging the hips, used for physical exercise or in children's play: introduced in the 1950s.
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British Dictionary definitions for hula hoop

Hula Hoop


noun

trademark a light hoop that is whirled around the body by movements of the waist and hips
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012