Added 10 October 2026 laguna noun Categories: NatureRare Words noun ! Definition from WordNet 3.1, Princeton University. More about laguna at Wordnik → Where our words come from → A body of water cut off from a larger body by a reef of sand or coral. Related Words: lagoonlaguneacomastraithoicalambabiñanbulacanboholpangasinan Back to today's word