rainbowing
n.— «Work on the first of three Palm Islands (Jumeirah) began in 2001. A team of Dutch engineers were employed to create the Palm by using a technique called rainbowing—a vessel dredging sand from the seabed and spraying and piling it onto the desired area and into the requested shape.» —“Oil-rich Dubai redraws the atlas” by Matthew Knight CNN Nov. 14, 2006. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...