unshafted
/ˌʌnˈʃæftɪd/Definitions
1. adjective
not provided with or having a shaft, especially a rotating shaft
“The engineer ensured that the motor was unshafted to prevent any mechanical issues.”
2. adjective
not having a central or main axis or shaft, especially in a cylinder or cone
“The unshafted piston moved freely within the cylinder.”