Source : Webster's Revised Unabridged Dictionary (1913)

Dill \Dill\ (d[i^]l), n. [AS dile; akin to D. dille, OHG. tilli,
   G. dill, dille, Sw. dill, Dan. dild.] (Bot.)
   An herb ({Peucedanum graveolens}), the seeds of which are
   moderately warming, pungent, and aromatic, and were formerly
   used as a soothing medicine for children; -- called also
   {dillseed}.

Dill \Dill\, v. t. [OE. dillen, fr. dul dull, a.]
   To still; to calm; to soothe, as one in pain. [Obs.]

Source : WordNet®

dill
     n 1: aromatic Old World herb having aromatic threadlike foliage
          and seeds used as seasoning [syn: {Anethum graveolens}]
     2: aromatic threadlike foliage of the dill plant used as
        seasoning [syn: {dill weed}]