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.
The different types of plate boundaries are: 1  Transform boundaries occur where plates slide, or perhaps more accurately grind, past each other along transform faults. The relative motion of the two plates is therefore either sinistral or dextral.  Divergent boundaries occur where two plates slide apart from each other.