LHD en · NOUN Meanings (abbreviation, alt-of, countable, uncountable) Abbreviation of left-hand drive. alt of left-hand drive (abbreviation, alt-of, countable, initialism, uncountable) Initialism of landing, helicopter, dock: A type of amphibious assault ship that has a dock for handling landing crafts, and a deck for handling helicopters. alt of dockalt of helicopteralt of landing Forms SpellingFeaturesLabelsSource LHDs Number=Plur lexicographic Coordinates RHD · LHA