(from the article `spider`) ...spigots. Abdominal pressure forces the silk to flow outward, although the rate of flow is controlled by muscular valves in the ducts. Primitive ...
a silk-excreting gland in caterpillars on the underside of the labium.
[n] - silk-producing gland of insects (especially of a silkworm) or spiders
serictery noun silk-producing gland of insects (especially of a silkworm) or spiders