Is “Windbreaker” a Scrabble word?
Yes
WINDBREAKER
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 Windbreaker
/ˈwɪndbɹeɪkə(ɹ)/
noun
1.A thin outer coat designed to resist wind chill and light rain.
Synonyms: windcheater