(aviation) The total surface area of an aircraft. / (nautical) The total portion of the surface area of the hull which is immersed in water.

A rural municipality of Prince County, Prince Edward Island, Canada.

A former administrative region in Pakistan located between Khyber Pakhtunkhwa province and Afghanistan, now part of the former.

Former name of Gilgit-Baltistan.

The area measured from the outside surface of the outer building wall to the outside surface of the opposite outer building wall. Where balconies and mezzanine floors occur within the exterior walls of the building, they are included in this figure.

An international region in which obstacles to unrestricted trade have been reduced to a minimum.

(botany) a measure of leaf thickness, calculated by dividing the area of a portion of a leaf by the dry weight of that same portion of leaf.

(US) A metropolitan area with one or more other metropolitan and or micropolitan area components defined with it.

The ventral tegmentum

(engineering) A measure of a body's resistance to bending.