one-to-many

adjective3

1. •
   Having the property that the same argument may yield multiple values, but different arguments never yield the same value.
2. •
   From a single source to multiple recipients.

   • Traditional mass media, both print and broadcast, are forms of one-to-many communications.
3. •
   Having the property that an element of one set may be assigned by the relationship to several elements in the other set, but that a given element in the second set can have only one member of the first set assigned to it.

   • "Being a genetic mother of" is a one-to-many relation from the set of cats to the set of cats.