Is “Hecatomb” a Scrabble word?
Yes
HECATOMB
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 Hecatomb
/ˈhɛ.kə.tuːm/
noun
1.A great feast and public sacrifice to the gods, originally of a hundred oxen.
2.(by extension) Any great sacrifice; a great number of people, animals or things, especially as sacrificed or destroyed; a large amount.