twosome

adj

1. (not-comparable)Being or constituting a pair; two.
2. (not-comparable)Twofold; double.
3. (not-comparable)Performed by two individuals.

   “a twosome dance”

noun

1. A group of two; a pair; a couple; a group of two distinct individuals or components.

   “And I was tooling along a mossy path with the brow a bit wet with honest sweat, when there came to my ears the unmistakable sound of somebody reading poetry to someone, and the next moment I found myself confronting a mixed twosome who had dropped anchor beneath a shady tree in what is known as a leafy glade.”

2. A dance for two people.