pitch pitchan up-or-down movement of the front (bow) of a vessel (ship, glider, etc.). Related Articles: Glossary: whistlesGlossary: pitchGlossary: spectrumChanges in Baleen Whale VocalizationsHow is sound used to measure rainfall over the ocean?How do you characterize sounds?How is sound used to measure wind over the ocean?WOTAN: “Wind Observations Through Ambient Noise”Sonar Chris Knowlton2017-02-26T20:10:10-05:00