cynaraceous,a.Bot.|sɪnəˈreɪʃəs| [f.mod.L. Cynaraceæ, f.Cynara artichoke: see cynareous and -aceous.] Belonging to the order Cynaraceæ proposed by Lindley, identical with the suborder Cynaroideæ or Cynarocephalæ of Composite plants, including the thistles, artichoke, burdock, etc. 1847in Craig.