Source : Webster's Revised Unabridged Dictionary (1913)

Lemon \Lem"on\ (l[e^]m"[u^]n), n. [F. limon, Per. l[imac]m[=u]n;
   cf. Ar. laim[=u]n, Sp. limon, It. limone. Cf. {Lime} a
   fruit.]
   1. (Bot.) An oval or roundish fruit resembling the orange,
      and containing a pulp usually intensely acid. It is
      produced by a tropical tree of the genus {Citrus}, the
      common fruit known in commerce being that of the species
      {C. Limonum} or {C. Medica} (var. Limonum). There are many
      varieties of the fruit, some of which are sweet.

   2. The tree which bears lemons; the lemon tree.

   {Lemon grass} (Bot.), a fragrant East Indian grass
      ({Andropogon Sh[oe]nanthus}, and perhaps other allied
      species), which yields the grass oil used in perfumery.

   {Lemon sole} (Zo["o]l.), a yellow European sole ({Solea
      aurantiaca}).

   {Salts of lemon} (Chem.), a white crystalline substance,
      inappropriately named, as it consists of an acid potassium
      oxalate and contains no citric acid, which is the
      characteristic acid of lemon; -- called also {salts of
      sorrel}. It is used in removing ink stains. See {Oxalic
      acid}, under {Oxalic}. [Colloq.]

Verbena \Ver*be"na\, n. [L. See {Vervain}.] (Bot.)
   A genus of herbaceous plants of which several species are
   extensively cultivated for the great beauty of their flowers;
   vervain.

   Note: Verbena, or vervain, was used by the Greeks, the
         Romans, and the Druids, in their sacred rites.
         --Brewer.

   {Essence of verbena}, {Oil of verbena}, a perfume prepared
      from the lemon verbena; also, a similar perfume properly
      called {grass oil}. See {Grass oil}, under {Grass}.

   {Lemon}, or {Sweet}, {verbena}, a shrubby verbenaceous plant
      ({Lippia citriodora}), with narrow leaves which exhale a
      pleasant, lemonlike fragrance when crushed.

Sole \Sole\, n. [F. sole, L. solea; -- so named from its flat
   shape. See {Sole} of the foot.] (Zo["o]l.)
   (a) Any one of several species of flatfishes of the genus
       {Solea} and allied genera of the family {Soleid[ae]},
       especially the common European species ({Solea
       vulgaris}), which is a valuable food fish.
   (b) Any one of several American flounders somewhat resembling
       the true sole in form or quality, as the California sole
       ({Lepidopsetta bilineata}), the long-finned sole
       ({Glyptocephalus zachirus}), and other species.

   {Lemon}, or {French}, {sole} (Zo["o]l.), a European species
      of sole ({Solea pegusa}).

   {Smooth sole} (Zo["o]l.), the megrim.

Source : WordNet®

lemon
     n 1: yellow oval fruit with juicy acidic flesh
     2: a strong yellow color [syn: {gamboge}, {lemon yellow}, {maize}]
     3: a small evergreen tree that originated in Asia but is widely
        cultivated for its fruit [syn: {lemon tree}, {Citrus limon}]
     4: a distinctive tart flavor characteristic of lemons
     5: an artifact (especially an automobile) that is defective or
        unsatisfactory [syn: {stinker}]