The area of any cross section of the immersed portion of a vessel, the cross section being taken at right angles to the fore and aft centreline of the vessel.
Indawo yalo naliphi na icandelo elinqamlezileyo lesolotya elitshonileyo lenqanawe, icandelo elinqumlezileyo elithathwe kwii-engile zasekunene ukuya ngaphambili nakumgca ophakathi womva wenqanawe.