a voluntary arrangement where dual-career couples maintain two residences in different geographic locations and are separated at least three nights per week for a minimum of three months

plural of arranged marriage

The marriage (union) of two people planned by someone other than the two people who are united in it.

plural of group marriage

plural of sham marriage

A marriage of convenience entered into purely for the purpose of gaining a benefit or other advantage arising from that status, usually with the intent of deceiving public officials or society about its purpose.

plural of open marriage

A marital relationship in which each partner agrees that the other partner may have sexual relations with other people as he or she sees fit.

(mineralogy) A monoclinic-prismatic mineral containing arsenic, lead, silver, and sulfur.

plural of marriageable