The term 'CORKSCREW's Shape' can be described by two crossword solutions: HELIX (5 letters) and COIL (4 letters). A HELIX is a three-dimensional shape that looks like a spiral or a CORKSCREW. It is a continuous curve in three-dimensional space, such as a wire COIL or the path of a planet around the sun. A COIL is a series of connected loops, like a spring or a rope. Both terms describe the shape of a CORKSCREW, which is a tool used to open bottles with a cork stopper.