1) Action 2) Activity 3) Chinese invention 4) Natural action 5) Natural process 
Sericulture, or silk farming, is the rearing of silkworms for the production of silk. Although there are several commercial species of silkworms, Bombyx mori is the most widely used and intensively studied silkworm. According to Confucian texts, the discovery of silk production B. mori dates to about 2700 BC, although archaeological records point ...
breeding of silkworms
• (n.) The raising of silkworms.
(from the article `natural fibre`) ...Reports of the spinning of cotton in India date back to 3000 . The manufacture of silk and silk products originated in the highly developed ... lepidopteran whose caterpillar has been used in silk production (sericulture) for thousands of years. Although native to China, the silkworm has been ... ...
The keeping of silk moths and their larvae for the production of silk.
Ser'i·cul`ture noun [ See Sericeous , and Culture .] The raising of silkworms. 
[n] - raising silkworms in order to obtain raw silk
sericulture, sericiculture 1. The cultivation of raw silk from silkworms. 2. The production of raw silk and the rearing of silkworms for the purpose of producing silk.
the commercial culturing of silkworms to produce silk.
noun the production of raw silk by raising silkworms