Merriam-Webster's Collegiate® Dictionary, 11th Edition
WALTZ
I. noun see: welter
Date: 1781
a ballroom dance in 3/4 time with strong accent on the first beat and a basic pattern of step-step-close, music for a waltz or a concert composition in 3/4 time,
II. verb
Date: circa 1794
intransitive verb to dance a waltz, to move or advance in a lively or conspicuous manner ; flounce ,
3. to advance easily and successfully ; breeze , to approach boldly, transitive verb to dance a waltz with, to grab and lead (as a person) unceremoniously ; march , waltzer noun