con·ga 
(kŏnggə)
(kŏnggə)n.
1. A dance of Latin-American origin in which the dancers form a long winding line.
2. The music for this dance.
3. A conga drum.
intr.v. con·gaed, con·ga·ing, con·gas
To perform this dance.
[American Spanish (danza) Conga, Congo (dance), from Spanish Congo, of the Congo, from Kongo -kongo, Kongo language and people.]