1.AdjectiveCharacterised by a twist or twists; twisting.
"lost in a twisty labyrinth"
2.NounSomething that is twisty, such as a road
3.NounA strand of hair twisted together in a braid-like fashion
4.NounA collapsible element having a marker such as a small triangle that rotates between horizontal and vertical positions to indicate whether the content is currently hidden or expanded.