Added 10 October 2026 ardea noun Categories: AnimalsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about ardea at Wordnik → Where our words come from → Type genus of the Ardeidae: large New and Old World herons. Related Words: metabasisallosaveobionomicsponiardauxiliumcatabasisrigelagioskythera Back to today's word