Three or more on a semi (5)
I believe the answer is:
axles
(Other definitions for axles that I've seen before include "Wheel shafts" , "Shaft on which wheels rotate" , "Wheel rods" , "They may be involved in turning" , "Shafts of wheels" .)
I believe the answer is:
axles
(Other definitions for axles that I've seen before include "Wheel shafts" , "Shaft on which wheels rotate" , "Wheel rods" , "They may be involved in turning" , "Shafts of wheels" .)