W4H4A1L1E1B3A1C3K5
23 points
WHALEBACK is validvalid
a kind of steamboat used on the Great Lakes to carry grain, etc. having a rounded upper deck
a kind of steamboat used on the Great Lakes to carry grain, etc. having a rounded upper deck
a kind of steamboat used on the Great Lakes to carry grain, etc. having a rounded upper deck
a kind of steamboat used on the Great Lakes to carry grain, etc. having a rounded upper deck