Definition:ho tromos (trom'-os) Noun, Masculine - The Trembling (shaking), caused by great fear.
Diagram: By convention, the sign of an abstract noun is an equilateral triangle. This noun is the name of a mental and physical condition to cause a person's body to tremble and shake brought on by great fear or surprise. The trembling acts like a mental cage to trap a person's mind with fear just like a physical cage.