What is the meaning of Conga?

A tall, narrow, single-headed Cuban hand drum of African origin.

A march of Cuban origin in four-four time in which people form a chain, each holding the hips of the person in front of them; in each bar, dancers take three shuffle steps and then kick alternate legs outwards at the beat; the chain weaves around the place and allows new participants to join the back of the chain.

To dance the conga.

a conga (tall, narrow Cuban hand drum used in pairs)

Conga (Cuban march music and dance style)

conga (dance)

conga (drum)

conga (dance)

conga (dance)

Source: wiktionary.org