A transverse wave is a moving wave. It consists of crests (the highest points in the wave) and troughs (the lowest point). In a transverse wave, as the wave is moving in one direction, it is creating a disturbance in a different direction. (http://cnx.org/content/m12378/latest/) This type of wave is drawn like a squiggly line. The below diagram shows this motion.
Source:http://hyperphysics.phy-astr.gsu.edu/hbase/sound/tralon.html
Project Wave 
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