(pl. socii) Paired membranous, often setose, extensions of the vinculum usually bracketing or ventral to the anus. Possibly an unsclerotized homolog of the gnathos.

associate, partner (Apud Ioannem Variscum & socios = In the shop of Giovanni Varisco and his partners)

The executive assistant or "second-in-command" to the provincial at each province's administrative center, commonly known as the curia.