The Collaborative International Dictionary of English v.0.48:

Tang \Tang\, n. [Of imitative origin. Cf. Twang. This word has
   become confused with tang tatse, flavor.]
   A sharp, twanging sound; an unpleasant tone; a twang.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tang \Tang\ (t[a^]ng), n. [Of Scand. origin; cf. Dan. tang
   seaweed, Sw. t[*a]ng, Icel. [thorn]ang. Cf. Tangle.] (Bot.)
   A coarse blackish seaweed (Fuscus nodosus). --Dr. Prior.
   [1913 Webster]

   Tang sparrow (Zool.), the rock pipit. [Prov. Eng.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tang \Tang\ (t[aum]ng), n. [Chin. T`ang.]
   A dynasty in Chinese history, from a. d. 618 to 905,
   distinguished by the founding of the Imperial Academy (the
   Hanlin), by the invention of printing, and as marking a
   golden age of literature.
   [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Tang \Tang\, n. [Probably fr. OD. tanger sharp, tart, literally,
   pinching; akin to E. tongs. [root]59. See Tong.]
   1. A strong or offensive taste; especially, a taste of
      something extraneous to the thing itself; as, wine or
      cider has a tang of the cask.
      [1913 Webster]

   2. Fig.: A sharp, specific flavor or tinge. Cf. Tang a
      twang.
      [1913 Webster]

            Such proceedings had a strong tang of tyranny.
                                                  --Fuller.
      [1913 Webster]

            A cant of philosophism, and a tang of party
            politics.                             --Jeffrey.
      [1913 Webster]

   3. [Probably of Scand. origin; cf. Icel. tangi a projecting
      point; akin to E. tongs. See Tongs.] A projecting part
      of an object by means of which it is secured to a handle,
      or to some other part; anything resembling a tongue in
      form or position. Specifically:
      [1913 Webster]
      (a) The part of a knife, fork, file, or other small
          instrument, which is inserted into the handle.
          [1913 Webster]
      (b) The projecting part of the breech of a musket barrel,
          by which the barrel is secured to the stock.
          [1913 Webster]
      (c) The part of a sword blade to which the handle is
          fastened.
          [1913 Webster]
      (d) The tongue of a buckle. [Prov. Eng.]
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tang \Tang\, v. t. [imp. & p. p. Tanged; p. pr. & vb. n.
   Tanging.]
   To cause to ring or sound loudly; to ring.
   [1913 Webster]

         Let thy tongue tang arguments of state.  --Shak.
   [1913 Webster]

   To tang bees, to cause a swarm of bees to settle, by
      beating metal to make a din.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tang \Tang\, v. i.
   To make a ringing sound; to ring.
   [1913 Webster]

         Let thy tongue tang arguments of state.  --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tang
    n 1: a tart spicy quality [syn: nip, piquance, piquancy,
         piquantness, tang, tanginess, zest]
    2: the imperial dynasty of China from 618 to 907 [syn: Tang,
       Tang dynasty]
    3: the taste experience when a savoury condiment is taken into
       the mouth [syn: relish, flavor, flavour, sapidity,
       savor, savour, smack, nip, tang]
    4: a common rockweed used in preparing kelp and as manure [syn:
       bladderwrack, black rockweed, bladder fucus, tang,
       Fucus vesiculosus]
    5: brown algae seaweed with serrated edges [syn: serrated
       wrack, Fucus serratus, tang]
    6: any of various coarse seaweeds [syn: tang, sea tang]
    7: any of various kelps especially of the genus Laminaria [syn:
       sea tangle, tang]

Moby Thesaurus II by Grady Ward, 1.0:

112 Moby Thesaurus words for "tang":
   aftertaste, aroma, attribute, badge, beesting, bite, bitter, brand,
   briskness, cachet, cast, character, characteristic, configuration,
   cut, dab, dart, differentia, differential, distinctive feature,
   earmark, edge, fang, feature, figure, flavor, ginger, gust, guts,
   hallmark, hint, hotness, idiocrasy, idiosyncrasy, impress,
   impression, index, individualism, keynote, kick, lineaments,
   liveliness, mannerism, mark, marking, mold, nature, nip, nippiness,
   odor, palate, particularity, peculiarity, pepperiness, pin,
   piquancy, poignancy, projection, prong, property, punch, pungency,
   quality, quirk, raciness, relish, salt, sapidity, sapor, savor,
   savoriness, seal, shank, shape, sharpness, singularity, smack,
   smattering, smell, snakebite, snap, snappiness, soupcon, sour,
   specialty, spice, spiciness, spike, stamp, sting, stinger, stomach,
   strip, suggestion, sweet, tab, taint, tanginess, taste, tine,
   tinge, token, tongue, tooth, touch, trace, trait, trick, twang,
   zest, zestfulness, zip