Definitions:

1. a long rod or pole, especially the handle of an implement or the body of a weapon like a spear or arrow noun
   • The shaft of the sword was made with the finest elm.
2. a vertical passageway through a building, usually used for an elevator noun
   • The shaft was nearly 100 meters tall!

Synonyms:

• barb
• cheat
• diaphysis
• irradiation
• lance
• quill
• rotating shaft
• scape
• spear
• tool