capstan
n//ˈkæp.stən//ankarspel, ankarbult, gångspel, vindspel, kapstan, kapstanaxel
(especially, nautical) A vertical cylindrical machine that revolves on a spindle, typically surmounted by a drumhead with sockets for levers for turning it; used to apply force to cables, ropes, etc.
(electronics) A rotating spindle used to move recording tape through the mechanism of a tape recorder.