se·ri·ceous \sə̇ˈrishəs\adjective Etymology: Late Latin sericeus, from Latin sericum silk, silk garment, from neuter of sericus of the Seres, silken, from Greek sērikos, from Sēres Seres + -ikos -ic 1.: of or relating to silk : consisting of silk : silky 2.: pubescent < sericeous leaf >