consisting of, having, or involving several or many individuals, parts, elements, relations, etc.; manifold.

Electricity .

(of circuits) arranged in parallel.

(of a circuit or circuits) having a number of points at which connection can be made.

Botany . (of a fruit) collective.

Mathematics . a number that contains another number an integral number of times without a remainder

12 is a multiple of 3.

Electricity . a group of terminals arranged to make a circuit or group of circuits accessible at a number of points at any one of which connection can be made.

adjective

assorted , collective , conglomerate , different , diverse , diversiform , heterogeneous , indiscriminate , legion , manifold , many , miscellaneous , mixed , motley , multifarious , multiform , multiplex , multitudinal , multitudinous , numerous , populous , several , sundry , varied , variegated , various , voluminous