(kwə·dril′) noun
1. A square dance for four couples and having five figures.
2. Music for such a dance. [<F <Sp. cuadrilla little square <L quadrum <quattuor four]

(kwə·dril′) noun
A card game for four persons, played with a deck of 40 cards and popular in the 18th century. [<F <Sp. cuartillo <cuarto fourth <L quartus]