\Tan"go\, n.; pl. {Tangos}. [Sp., a certain dance.]
(a) A difficult dance in two-four time characterized by
    graceful posturing, frequent pointing positions, and a
    great variety of steps, including the cross step and
    turning steps. The dance is of Spanish origin, and is
    believed to have been in its original form a part of the
    fandango.
(b) Any of various popular forms derived from this.