Love triangle
/ˈlʌv ˌtɹaɪ.æŋɡəl/
"Love triangle" in a Sentence (2 examples)
La Battaglia di Legnano is a patriotic melodrama with a love triangle theme included.
By placing Max and Onno in a love triangle with Ada, Mr. Mulisch achieves an emotional depth that recalls Francois Truffaut's classic film “Jules and Jim.”