sericterium n 1: silk-producing gland of insects (especially of a silkworm) or spiders [syn: {silk gland}, {serictery}, {sericterium}]
Sericterium \Ser`ic*te"ri*um\, n. [See {Sericeous}.] (Zool.) A silk gland, as in the silkworms. [1913 Webster]