The term 'A Voyage Across a Body of Water' can be broken down into three crossword solutions: Crossing (8 letters), SEA (3 letters), and LAKE (4 letters). A crossing is a journey or passage from one side to the other, usually across a body of water. A SEA is a large body of salt water, while a LAKE is a large body of fresh water. Therefore, a voyage across a body of water could refer to a journey across an ocean, a SEA, or a LAKE.