many-to-many en · ADJ
Meanings
-
(not-comparable, of a relationship between two sets) Having the property that many elements of one set may be assigned by the relationship to any element in the other set, and that a given element in the first set can also be assigned more than one member of the second set.
"Is a fellow citizen with" is a many-to-many relationship on the set of people (from the set of people to the set of people).
-
(not-comparable) From many sources to many recipients.
The normal state of human affairs is many-to-many communications, each source going out to many recipients, but each recipient also having multiple sources.
Coordinates
one-to-one · one-to-many · many-to-one