[ mə'nɒgəmi ]
■ noun
1》 the practice of being married to or having a sexual relationship with only one person at a time.
2》 Zoology the habit of having only one mate at a time.
Derivatives
monogamist noun
monogamous adjective
monogamously adverb
Origin
C17: from Fr. monogamie , via eccles. L. from Gk monogamia , from monos 'single' + gamos 'marriage'.