| Noun | 1. | Ardeidae - herons; egrets; night herons; bitternsbird family - a family of warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings Ciconiiformes, order Ciconiiformes - order of chiefly tropical marsh-dwelling fish-eating wading birds with long legs and bills and (except for flamingos) unwebbed feet: herons; storks; spoonbills; flamingos; ibises heron - gray or white wading bird with long neck and long legs and (usually) long bill | |