PRIVY Copy link • PRIVY 1. adj. Private, privatus. Secret, secretus; arcanus; reconditus. Conscious, partaking of knowledge, haud ignarus; conscius: to be privy to a crime, facinoris cum aliquo societatem habere. 2. s. sella familiarica; or simply sella. A public privy, forica: to go to a privy, alvum exoneratum ire.