The crossword solution for the term 'ornamental vine' is 'IVY'. IVY is a type of evergreen climbing plant that is often used as an ornamental vine. It is native to Europe, Asia, and North Africa, and is known for its ability to grow quickly and cling to walls and other surfaces. IVY is also popularly used in gardens and landscaping due to its attractive foliage and its ability to provide shade and privacy.