tremor
/ˈtrɛmər/Definitions
1. noun
a slight, involuntary trembling movement, especially of the body or limbs, caused by fear, excitement, or physical weakness
“She felt a sudden tremor run through her body as she stood at the edge of the cliff.”
2. noun
a slight, barely perceptible earthquake or seismic disturbance
“The geologists detected a tremor in the data collected from the seismic station.”
3. noun
a rapid, rhythmic, or spasmodic movement, especially of the heart or an organ
“The doctor listened to the patient’s heart and detected a tremor in the heartbeat.”
4. verb
to shake or tremble slightly, especially with fear, excitement, or weakness
“Her hands began to tremor as she stood before the judge.”