Pronunciation IPA (key): /ˈsiːbɜː(r)d/ Audio (US)(file) Noun Singular seabird Plural seabirds (countable) A bird that is usually found at sea. The pelican is a seabird. Related words seafowl albatross cormorant gannet gull pelican petrel Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads