Is “Haversack” a Scrabble word?
Yes
HAVERSACK
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 Haversack
noun
1.A small, strong bag carried on the back or the shoulder, usually with only one strap, and originally made of canvas.
2.An oat-sack, or nosebag for a horse.