Added 9 October 2026 seabird /ˈsiːbɜː(ɹ)d/ noun Categories: AnimalsRare Words In Latin: mergus Wiktionary noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about seabird at Wordnik → Where our words come from → A bird that frequents coastal waters and the open ocean: gulls; pelicans; gannets; cormorants; albatrosses; petrels; etc. Origin From sea + bird. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: seafowlbirdbycatchseaseagoingbirdsrookeriesseaduckpelagicseabord Back to today's word