Meaning of first lady

first' la'dy

Pronunciation: [key]
  1. (often caps.) the wife of the president of the U.S. or of the governor of a state.
  2. the wife of the head of any country: the first lady of Brazil.
  3. the foremost woman in any art, profession, or the like: first lady of the American theater.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.