axis; a central line that bisects a body or around which a body or figure is symmetrical

axle; shaft; cylindrical part in a machine that supports a rotating part or rotates with it

spool; rod; roller; cylindrical object used for winding thread or scrolls

used for things wound on a spool or roller, such as thread, calligraphy, or paintings

the main program or highlight in a theatrical performance, traditionally the last or second-to-last item on the program