毕尼奥夫 Bìní'àofū Hugo Benioff Origin Definitions Defs Strokes Stroke Words Sentences Sents 毕尼奥夫带 Bìní'àofūdài Benioff zone A planar zone of seismicity corresponding with the down-going slab in a subduction zone, also known as the Wadati-Benioff zone.