What does "seabird" mean?

Any bird that spends most of its time in coastal waters or over the oceans.

What is a synonym for "seabird"?

Common synonyms include: sea bird, auk, auks, coastal bird, fulmar, gannet.

Pronounced //ˈsiːbɜː(ɹ)d//.

/ˈsiːbɜː(ɹ)d/ noun

noun ·Rare ·Advanced level

Noun

1
Any bird that spends most of its time in coastal waters or over the oceans.
2
a bird that frequents coastal waters and the open ocean: gulls, pelicans, gannets, cormorants, albatrosses, petrels, etc. wordnet

"Sami got sick from eating a seabird."

From sea + bird.