flype
noun1
A fold or flap, especially of the brim of a hat
2
Mathematics, Sciences A transformation of a knot involving a 180° rotation of a tangle
noun, verb — 3 senses
A fold or flap, especially of the brim of a hat
Mathematics, Sciences A transformation of a knot involving a 180° rotation of a tangle
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.