[1] : The Collaborative International Dictionary of English v.0.48

fennel \fen"nel\ fe^n"ne^l, n. as. fenol, finol, from l.
   feniculum, faeniculum, dim. of fenum, faenum, hay: cf. f.
   fenouil. cf. fenugreek. finochio. bot.
   a perennial plant of the genus faeniculum faeniculum
   vulgare, having very finely divided leaves. it is
   cultivated in gardens for the agreeable aromatic flavor of
   its seeds.
   1913 webster

         smell of sweetest fennel.                --milton.
   1913 webster

         a sprig of fennel was in fact the theological smelling
         bottle of the tender sex.                --s. g.
                                                  goodrich.
   1913 webster

   azorean fennel, or sweet fennel, faeniculum 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 bot., 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 med., 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.
      1913 webster
see also:
fenugreek finochio faeniculum faeniculum vulgare azorean fennel sweet fennel 
faeniculum dulce dog's fennel anthemis cotula mayweed fennel flower 
nigella nigella damascena nigella sativa fennel water giant fennel 
ferula communis hog's fennel peucedanum officinale 

[2] : WordNet (r) 2.0

fennel
     n 1: any of several aromatic herbs having edible seeds and leaves
          and stems
     2: aromatic bulbous stem base eaten cooked or raw in salads
        syn: florence fennel, finocchio
     3: leaves used for seasoning syn: common fennel
see also:
florence fennel finocchio common fennel 

Fennel >> F Words
Fennel, definition of term: Fennel
fennel_pag1.html

Fennel Seed >> F Words
Fennel Seed, definition of term: Fennel Seed
fennel+seed_pag1.html