Is “Breastwork” a Scrabble word?
Yes
BREASTWORK
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 Breastwork
noun
1.A fortification consisting of a breast-high bulwark; a parapet.
2.A railing on the quarter-deck and forecastle.
3.A parapet.