Lewis & Short

proclāmātĭo, ōnis, f [proclamo].

  1. I. In gen., a calling out, crying out, outcry (post-class.), Quint. Decl. 8, 21: trux, id. ib. 18, 16.
  2. II. In partic., an appeal to a judge to assert one’s liberty, Dig. 40, 12, 25; 14; 34; 23.