1. [ noun ] (geology) a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury
Related terms: mineral mercury
2. [ adjective ] of a vivid red to reddish-orange color
Synonyms: vermilion vermillion chinese-red
Related terms: chromatic
3. [ noun ] (zoology) large red-and-black European moth; larvae feed on leaves of ragwort; introduced into United States to control ragwort
Synonyms: Callimorpha_jacobeae cinnabar_moth
Related terms: arctiid Callimorpha
Similar spelling:   cinibar