hollow/empty/devoid of, lacking; useless/fruitless/vain
Latin word, found 70 times in the texts on Socratos.
Caesar, De Bello Gallico 7.45.2: Prima luce magnum numerum impedimentorum ex castris mulorumque produci deque his stramenta detrahi mulionesque cum cassidibus equitum specie ac simulatione collibus circumvehi iubet.
Vergil, Aeneid 11.775: cassida; tum croceam chlamydemque sinusque crepantis
Ovid, Metamorphoses 8.25: seu caput abdiderat cristata casside pennis,
All forms of cassis