plural of red triangle slug

Triboniophorus graeffei, a large air-breathing land slug in the family Athoracophoridae.

plural of obtuse-angled triangle

plural of acute-angled triangle

(anatomy) Synonym of carotid triangle.

plural of Karpman drama triangle

(psychology) A social model of a particular kind of conflict in human interactions, involving three people: a victim, a persecutor (who blames the victim), and a rescuer (who attempts to aid the victim).

In the form of a triangle.