trefoil knot

Meaning

Noun

• A knot formed by joining the two loose ends of a overhand knot to form a knotted loop; the simplest non-trivial knot.

Origin

• From trefoil + knot, from being a knot theory knot, where its simplest symmetrical configuration appears like a trefoil.
• File:Trefoil-non-3-symm.svg|A trefoil knot lacking three-fold symmetry
• File:Tricoloring.png|The trefoil knot with each lobe highlighted
• File:Trefoil Knot.gif|Trefoil knot