Teahouses became fashionable in the southern provinces during the Song dynasty (AD 960-1279), catering for the leisurely patrons of the arts of the time. Tea-drinking was an art, accompanied by much dainty nibbling of appetizers. The word for appetizer is dim sum, literally meaning "dot the heart." A large teahouse in China could list more than 1,000 dim sum varieties. Sieu mai is one of the original "dot hearts" that was destined to become famous throughout the Western world.