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

• lyon

2. (noun) the council in 1274 that effected a temporary reunion of the Greek Orthodox with the Roman Catholic Church

• second council of lyons

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

• first council of lyons

1. (noun) the council in 1274 that effected a temporary reunion of the Greek Orthodox with the Roman Catholic Church

• council

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

• council