1. (

• Lyon ,
• Lyons

) a city in east-central France on the Rhone River; a principal producer of silk and rayon ;

2. (

• Lyons ,
• Second_Council_of_Lyons

) the council in 1274 that effected a temporary reunion of the Greek Orthodox with the Roman Catholic Church ;

3. (

• Lyons ,
• First_Council_of_Lyons

) the council of the Western Church in 1245 that excommunicated Holy Roman Emperor Frederick II and planned a new crusade against the Holy Land ;