Which term describes the space from the water level to the bottom of the boat?

The term that accurately describes the space from the water level to the bottom of the boat is draft. Draft refers specifically to the vertical distance between the waterline and the lowest point of the hull or keels. This measurement is crucial for determining how much of the boat is submerged, which affects stability, safety, and navigability in various water conditions.

In maritime contexts, understanding draft is essential for avoiding hazards in shallow waters, ensuring that the vessel can safely navigate without grounding. Additionally, the draft can fluctuate based on the load the vessel carries; as more cargo is added, the draft increases, causing the boat to sit lower in the water. This dimension is vital for boat design, usage, and compliance with navigation regulations.