ðɪ ˈɑːɹm ɪz ɐn ˈædmɚɹəlɾi ɛkstˈɛnʃən tə ðɪ ˈɜːlɪɚ bɹˈeɪkwɔːɾɚ bˈɪlt baɪ ðə ɡɹˈeɪt wˈɛstɚn ɹˈeɪlweɪ ænd nˈoʊn æz ðə baɪŋklˈiːvz ɡɹˈɔɪn.
The arm is an Admiralty extension to the earlier breakwater built by the Great Western Railway and known as the Bincleaves Groyne.