The Collaborative International Dictionary of English v.0.48:

Kipper \Kip"per\, n. [D. kippen to hatch, snatch, seize. Cf.
   Kipe.]
   1. (Zool.) A salmon after spawning.
      [1913 Webster]

   2. A salmon split open, salted, and dried or smoked; -- so
      called because salmon after spawning were usually so
      cured, not being good when fresh. [Scot.]
      [1913 Webster]

   Kipper time, the season in which fishing for salmon is
      forbidden. [Eng. & Scot.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Kipper \Kip"per\, v. t. [imp. & p. p. Kippered; p. pr. & vb.
   n. Kippering.]
   To cure, by splitting, salting, and smoking. "Kippered
   salmon." --Dickens.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Kipper \Kip"per\, a.
   Amorous; also, lively; light-footed; nimble; gay; sprightly.
   [Prov. Eng.] --Halliwell.
   [1913 Webster]

WordNet (r) 3.0 (2006):

kipper
    n 1: salted and smoked herring [syn: kipper, kippered
         herring]

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "kipper":
   Loch Ness monster, alevin, anguille, anhydrate, benthon, benthos,
   blast-freeze, brine, caviar, cetacean, corn, cure, dehydrate,
   desiccate, dolphin, dry, dry-cure, dry-salt, eel, embalm,
   evaporate, fingerling, fish, fish eggs, freeze, freeze-dry, fry,
   fume, game fish, grilse, irradiate, jerk, kippered salmon,
   man-eater, man-eating shark, marinade, marinate, marine animal,
   minnow, minny, mummify, nekton, panfish, pickle, plankton, poisson,
   porpoise, preservatize, quick-freeze, red herring, refrigerate,
   roe, salmon, salt, sea monster, sea pig, sea serpent, sea snake,
   seafood, season, shark, smoke, smoke-cure, smoked herring, smolt,
   sponge, stuff, tropical fish, whale