Is “Seraph” a Scrabble word?
Yes
SERAPH
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 Seraph
/ˈsɛɹəf/
noun
1.A six-winged angel; the highest choir or order of angels in Christian angelology, ranked above cherubim, and below God. They are the 5th highest order of angels in Jewish angelology. A detailed description can be found at the beginning of Isaiah chapter 6