Webster's Revised Unabridged Dictionary · 1913

Fennel

Fennel (fen"nel) , noun

[Anglo-Saxon fenol, finol, from Latin feniculum, faeniculum, dim. of fenum, faenum, hay: compare French fenouil. Compare Fenugreek. Finochio.]

(Botany) A perennial plant of the genus Faniculum (Faniculum vulgare), having very finely divided leaves. It is cultivated in gardens for the agreeable aromatic flavor of its seeds.
Smell of sweetest fennel. — Milton
A sprig of fennel was in fact the theological smelling bottle of the tender sex. — S. G. Goodrich
Collocations (6)
Azorean fennel or Sweet fennel , (Faniculum dulce). It is a smaller and stouter plant than the common fennel, and is used as a pot herb.
Dog's fennel , (Anthemis Cotula), a foul-smelling European weed; -- called also mayweed.
Fennel flower (Botany) , an herb (Nigella) of the Buttercup family, having leaves finely divided, like those of the fennel. Nigella Damascena is common in gardens. Nigella sativa furnishes the fennel seed, used as a condiment, etc., in India. These seeds are the “fitches” mentioned in Isaiah (xxviii. 25).
Fennel water (Medicine) , the distilled water of fennel seed. It is stimulant and carminative.
Giant fennel , (Ferula communis), has stems full of pith, which, it is said, were used to carry fire, first, by Prometheus.
Hog's fennel , a European plant (Peucedanum officinale) looking something like fennel.