Plug protrusion (5)
I believe the answer is:
prong
(Other definitions for prong that I've seen before include "Tine of a fork" , "Spur; projecting part" , "Fork's point" , "tip?" , "branch" .)
I believe the answer is:
prong
(Other definitions for prong that I've seen before include "Tine of a fork" , "Spur; projecting part" , "Fork's point" , "tip?" , "branch" .)