San Andreas fault: Meaning and Definition of

San' An•dre'as fault'

Pronunciation: (san' an-drā'us), [key]
— Geol. Geol.
  1. an active strike-slip fault in W United States, extending from San Francisco to S California and forming the on-land portion of the western margin of the North American Plate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.