Is “Cinquefoil” a Scrabble word?
Yes
CINQUEFOIL
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 Cinquefoil
/ˈsɪŋk.fɔɪl/
noun
1.A potentilla (flower).
2.A stylized flower or leaf with five lobes.
3.A particular knot of five crossings.
Synonyms: fiveleaf, knot