(Definition of âhowdyâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
A wave is an up and down movement of water. When we talk about waves, we use special words to name their parts. The highest point of a wave is called the crest. The lowest point is called the trough. Wave height is the vertical distance between the crest and trough. Wavelength is the horizontal distance between waves in a series. Wavelength can be measured between two wave crests. It can be measured between two wave troughs.
1 to serve as a crest for; crown or top. 2  to reach the crest or summit of (a hill, mountain, etc.). 3  Oceanographyto form or rise to a crest, as a wave or river. 4  to reach the crest or highest level:Interest in the project has crested.