danse
e.g I am dancing > Je danse.
I am dancing - je danse
elle va au dancing
Dansez
danse
Vous dancez
Dance (noun) is "la danse" (fem.) in French. To dance is "danser".
J'aime danser
danse Hula
yes called singing and dancing
Nous dansons
The moulin rouge
Not hugely important but still a main french dance.