Is “Hairstreak” a Scrabble word?
Yes
HAIRSTREAK
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 Hairstreak
noun
1.Any of many butterflies, of the subfamily Theclinae, that have hairlike projections on the back wings.