Lewis & Short

fămĭlĭārĭcus, a, um, adj. [famulus].

  1. I. Of or belonging to the house-servants or domestics: cellae, rooms for the servants, Vitr. 6, 10: familiarica vestimenta sunt, quae ad familiam vestiendam parata sunt, sicuti saga, tunicae, paenulae, etc., Dig. 34, 2, 23 fin.
  2. II. Of the house or famity: sellae, i. e. privies, Varr. R. R. 1, 13, 4.