ALDERNEY Meaning of ALDERNEY in English Al ‧ der ‧ ney /ˈɔːldəni $ -dər-/ BrE AmE noun 1 . one of the Channel Islands between England and France 2 . a breed of cow kept for milk:Alderney cattle Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012