porcelana Save DMLBS porcelana [ME porcelane < OF porcelaine < portulaca] , (bot.) purslane (Portulaca oleracea). porcellane, olib’, dragaganti Gilb. III 166. 2; item accipe ‥ amidum, cerusam, corallum al[bum], cristallum al[bum] porcellana[m] Ib. VII 343v. 2.