fu·mar·ia \fyüˈma(a)rēə\noun Etymology: New Latin, from Late Latin, fumitory, from Latin fumus smoke + -aria 1.capitalized: a genus of annual herbs (family Fumariaceae) with only one petal spurred at the base and a one-seeded globose capsule 2.pluralfumari·ae\-ēˌē\: an extract or dried leaves of the common fumitory formerly used as a tonic and alterative