Corkscrew \Cork"screw`\ (-skr[udd]`), n. An instrument with a screw or a steel spiral for drawing corks from bottles.
Corkscrew stairs, a spiral staircase around a solid newel.
Source: Webster's Revised Unabridged Dictionary (1913)
Corkscrew \Cork"screw`\, v. t. To press forward in a winding way; as, to corkscrew one's way through a crowd. [Colloq.] --Dickens.