1. A slight shaking movement of the body or a part of it, typically involuntary
She felt a tremor in her hands as she spoke.
Ela sentiu um tremor nas mãos enquanto falava.
2. A shaking or vibration of the earth; an earthquake or seismic movement
A tremor was detected by seismic sensors this morning.
Um tremor foi detectado pelos sensores sísmicos esta manhã.
3. A quavering or wavering effect in the voice
There was a tremor in his voice when he announced the news.
Havia um tremor na voz dele quando anunciou a notícia.
4. A feeling of fear or excitement that causes slight shaking
A tremor of anticipation ran through the audience.
Um tremor de antecipação percorreu a plateia.