Propulsion aid (4)
I believe the answer is:
pole
(Other definitions for pole that I've seen before include "European; measure of length" , "(or north or eouth?)" , "Rod, perch" , "Staff" , "Round rod of wood or metal" .)
I believe the answer is:
pole
(Other definitions for pole that I've seen before include "European; measure of length" , "(or north or eouth?)" , "Rod, perch" , "Staff" , "Round rod of wood or metal" .)