a. Obs. rare1. [f. L. fæniculum fennel + -ACEOUS.] Resembling fennel.
1657. Tomlinson, Renous Disp., 240. Some will have wilde Parsnip to be a kinde of Fennel, its stalk and muscary being feniculaceous: but their leaves, colour, odour, sapour, virtue and form, are very dissimilar.