95dc162e_Glossary_of_Dance_Terms__m_Dance_Dictionary_from_Webref
And [Abbreviations] &
In the timing of dance steps and actions, an "&" represents half a beat. A cha measure might be danced 1, 2, 3/&, 4; a step on an "&" count is very quick.
Glossary of Dance Terms
Description Glossary of Terms and Abbreviations from BallroomDancers.com Dance Dictionary from Webref