A union similar to marriage which same-sex couples, and in some jurisdictions opposite-sex couples, may form, which affords rights and responsibilities similar or identical to those afforded by civil marriage.
Act of joining together to form a couple.
The property of physical systems that they are interacting with each other
Sexual intercourse.
A device that couples two things together.
The degree of reliance between two or more software modules.
A connection between two electronic circuits such that a signal can pass between them.