Shaft (3)
'shaft' is the definition.
(I know that shaft can be written as ray)
This is all the clue.
(Other definitions for ray that I've seen before include "Shaft, beam" , "A bright beam or flat fish" , "Second note for the flat fish" , "beamer?" , "Pencil of light" .)
'shaft' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for rod that I've seen before include "Stick; angler" , "Baton, pole" , "axle" , "Cane used for flogging" , "that most anglers use" .)
'shaft' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for tunnel that I've seen before include "Escape" , "Underground passage for road or railway" , "Passage below ground" , "Excavated passage" , "Underground bore" .)