What term describes the space from either side toward the centerline of a boat?

The term that describes the space from either side toward the centerline of a boat is "centerline." The centerline is an imaginary line that runs from the bow (front) to the stern (back) of the vessel, effectively dividing the boat into left (port) and right (starboard) halves. Understanding the concept of the centerline is crucial for navigation, stability analysis, and ensuring the proper weight distribution aboard the vessel.

The term encompasses the entire span across the boat's width when referring to distances or measurements, making it fundamental to various aspects of seamanship and boat handling. This understanding is vital for crew members when performing tasks that require precision relative to the boat's structure.