a quick, involuntary inhalation that follows a spasm of the diaphragm and is suddenly checked by closure of the glottis, producing a short, relatively sharp sound. Usually, hiccups. the condition of having such spasms: She got the hiccups just as she began to speak.
Mount Hood is part of the Cascade Volcanic Arc, which formed as a  result of the convergent boundary between the North American Plate  and the Juan de Fuca Plate.Edit.ransform boundary: when two plates grind past each other. Convergent boundary: when the two plates collide.
There are three kinds of plate tectonic boundaries: divergent, convergent, and transform plate boundaries. This image shows the three main types of plate boundaries: divergent, convergent, and transform. Image courtesy of the U.S. Geological Survey.here are three kinds of plate tectonic boundaries: divergent, convergent, and transform plate boundaries. This image shows the three main types of plate boundaries: divergent, convergent, and transform. Image courtesy of the U.S. Geological Survey.