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.
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   Tang sparrow (Zool.), the rock pipit. [Prov. Eng.]
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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.
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   2. Fig.: A sharp, specific flavor or tinge. Cf. Tang a
      twang.
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            Such proceedings had a strong tang of tyranny.
                                                  --Fuller.
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            A cant of philosophism, and a tang of party
            politics.                             --Jeffrey.
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   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.
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      (b) The projecting part of the breech of a musket barrel,
          by which the barrel is secured to the stock.
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      (c) The part of a sword blade to which the handle is
          fastened.
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      (d) The tongue of a buckle. [Prov. Eng.]
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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.
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         Let thy tongue tang arguments of state.  --Shak.
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   To tang bees, to cause a swarm of bees to settle, by
      beating metal to make a din.
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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]