Meaning

1 senses
  1. (colloquial, not comparable)Pertaining to a committed relationship involving three people, often including a married couple.

Origin

From tri- + (mo)nogamous. Compare trigamous.

From tri- + (mo)nogamous. Compare trigamous.

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
trinogamous — meaning, examples, forms, synonyms | Krumeto