/lay ohn"/ ; Sp. /le awn"/ , n.
1. a province in NW Spain: formerly a kingdom. 598,721; 5936 sq. mi. (15,375 sq. km).
2. the capital of this province. 105,235.
3. a city in W Guanajuato, in central Mexico. 557,000.
4. a city in W Nicaragua: the former capital. 205,265.