[cin.na.bar] n [ME cynabare, fr. MF & L; MF cenobre, fr. L cinnabaris, fr. Gk kinnabari, of non-IE origin; akin to Ar zinjafr cinnabar] (14c) 1: artificial red mercuric sulfide used esp. as a pigment
2: native red mercuric sulfide HgS that is the only important ore of mercury -- cin.na.bar.ine adj