one-step

[ wuhn-step ]
/ ˈwʌnˌstɛp /

noun

a round dance performed by couples to ragtime.
a piece of music for this dance.

verb (used without object)

to dance the one-step.

Origin of one-step

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for one-step

British Dictionary definitions for one-step

one-step

noun

an early 20th-century ballroom dance with long quick steps, the precursor of the foxtrot
a piece of music composed for or in the rhythm of this dance

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