Definition
A trefoil is a design or symbol consisting of three overlapping rings or lobes, resembling a three-leafed clover. It's commonly used in architecture, heraldry, and decorative arts. Think of it as a stylized three-leaf clover, representing luck, faith, or unity. Itβs not just a shape; it's a symbol with deep cultural and historical significance. Imagine seeing trefoils adorning a medieval cathedral or a family crest.