mo‧nog‧a‧my /məˈnɒɡəmi $ məˈnɑː-/ noun [uncountable]
[Date: 1600-1700; Language: French; Origin: monogamie, from Late Latin, from Greek, from mono- ( ⇒ mono-) + gamos 'marriage']

1. the custom of being married to only one husband or wife ⇒ bigamy, polygamy

2. when a person or animal has a sexual relationship with only one partner:
Monogamy is rare in most animal groups, but is common among birds.
—monogamous adjective:
We live in a monogamous society.
—monogamously adverb

[TahlilGaran] Dictionary of Contemporary English ▲