Is “Seabird” a Scrabble word?
Yes
SEABIRD
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Seabird
/ˈsiːbɜː(ɹ)d/
noun
1.Any bird that spends most of its time in coastal waters or over the oceans.
Synonyms: seafowl