noun Download 🔗Share Any of several plants of the pea family, having compound, trifoliate leaves; especially one of the genus Trifolium. Examples : "The Girl Scout logo features a trefoil symbolizing the organization's three-part promise. " plant biology nature vegetable Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A symbol having the shape of such leaves, especially when used as an architectural ornament. Examples : "The school's new building featured a beautiful trefoil design in the archways. " architecture art building Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A knot formed by joining the two loose ends of a overhand knot to form a knotted loop; the simplest non-trivial knot. Examples : "The child practiced tying a trefoil with the shoelace to make a decorative knot. " math structure Chat with AIVocabulary GamePractice Reading