Copula

Copula may refer to:
 * Copula (linguistics), a word used to link subject and predicate
 * Copula (music), a type of polyphonic texture similar to organum
 * Copula (probability theory), a function linking marginal variables into a multivariate distribution
 * Copula (cnidarian), a genus of box jellyfish
 * Beatmania IIDX 23: Copula, a video game