adjective1. having or involving more than one part, individual, etc
he had multiple injuries
2. electronics, US and Canadian(of a circuit) having a number of conductors in parallel
noun3. the product of a given number or polynomial and any other one
6 is a multiple of 2
4. telephonyan electrical circuit accessible at a number of points to any one of which a connection can be made
5. short for multiple store
Word origin
C17: via French from Late Latin
multiplus, from Latin
multiplex