exogamy

ex·og·a·my

noun \ek-ˈsäg-ə-mē\

plural ex·og·a·mies

Definition of EXOGAMY

1

: marriage outside of a specific group especially as required by custom or law

2

: sexual reproduction between individuals (as of a particular species) that are not closely related

—ex·og·a·mous \ek-ˈsäg-ə-məs\ or exo·gam·ic \ˌek-sə-ˈgam-ik\ adjective