arch( ) A: a shaking or other<br/>movement of part of the earth's surface, resulting from volcanic<br/>activity or the sudden release of tension along geologic fault lines. B: to cook in hot<br/>butter, oil, or other fat. C: a structural<br/>element, usually of masonry, that is curved and used to span an open<br/>space such as a door. D: something that<br/>represents something else, especially a material sign or object that<br/>stands for a complex or abstract concept.