Despite its name, the coconut (Cocos nucifera) is really a fruit called a "drupe." Drupes have a thin skin or husk, called an exocarp; a middle layer, or mesocarp, composed of thick fibers; and a tough inner layer, or endocarp. The endocarp surrounds the coconut meat and water.
About this Author
Cameron Delaney is a freelance writer for trade journals and websites and an editor of non-fiction books. As a journalist, Delaney worked for wire services, newspapers and magazines for more than 20 years. Delaney's degrees include a bachelor's in journalism from Penn State and a master's in liberal arts from University of Denver.