Added 9 October 2026 ceylon noun Categories: PlacesUncommon Words noun ! Definition from WordNet 3.1, Princeton University. More about ceylon at Wordnik → Where our words come from → An island in the Indian Ocean off the southeastern coast of India. A republic on the island of Ceylon; became independent of the United Kingdom in 1948. Related Words: tinelsiesikilamsrilankaserendibtaprobanelankasilanceylansinhala Back to today's word