Is “Sterna” a Scrabble word?
Yes
STERNA
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 Sterna
noun
1.The breastbone
2.The sclerotized plate of spiders, between the coxae, marking the floor of the cephalothorax