Is “Triquetra” a Scrabble word?
Yes
TRIQUETRA
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 Triquetra
/tɹaɪˈkwɛtɹə/
noun
1.A shape formed of three vesica piscis, sometimes with an additional circle, a symbol of things and persons that are threefold (including the Christian Trinity), and a symbol of protection in Wicca.