What is another word for keel arch?
Pronunciation: [kˈiːl ˈɑːt͡ʃ] (IPA) 
Keel arch is a term used in boat building, which refers to the curved structure at the bottom of a boat that helps to distribute the weight of the boat evenly and provide stability. Synonyms for keel arch include keelson, centerline, backbone, or simply keel. There are various types of keel arches used in different types of boats, such as full keels, fin keels, or bulb keels. Each of these keel arches has its own advantages and disadvantages, depending on the type of boat and its intended use. The keel arch is an essential component of any boat and plays a crucial role in maintaining the boat's balance and stability on water.
