Is “Hairpin” a Scrabble word?
Yes
HAIRPIN
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 Hairpin
/ˈheɪɹpɪn/
noun
1.A pin or fastener for the hair.
2.A kind of ribozyme; hairpin ribozyme.
3.A very tight bend in a road.