fu·mar·i·a·ce·ae \fyüˌma(a)rēˈāsēˌē\noun plural Usage: capitalized Etymology: New Latin, from Fumaria, type genus + -aceae : a family of erect or climbing herbs (order Papaverales) of the northern hemisphere and southern Africa with basal or alternate dissected leaves, irregular spurred flowers, and capsular fruit • fu·mar·i·a·ceous\ ̷ ̷| ̷ ̷ ̷ ̷|āshəs\adjective