Rotating wheel-shaft (4)
I believe the answer is:
axle
(Other definitions for axle that I've seen before include "Wheel support" , "wheel section" , "Rod attachment to wheels" , "It's pivotal" , "Rod supporting wheels" .)
I believe the answer is:
axle
(Other definitions for axle that I've seen before include "Wheel support" , "wheel section" , "Rod attachment to wheels" , "It's pivotal" , "Rod supporting wheels" .)