The Collaborative International Dictionary of English v.0.48:

Trinket \Trin"ket\, v. i.
   To give trinkets; hence, to court favor; to intrigue. [Obs.]
   --South.
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The Collaborative International Dictionary of English v.0.48:

Trinket \Trin"ket\, n. [F. trinquet foremast, also, a certain
   sail, trinquette a triangular sail, or Sp. trinquete
   triangular.] (Naut.)
   A three-cornered sail formerly carried on a ship's foremast,
   probably on a lateen yard.
   [1913 Webster]

         Sailing always with the sheets of mainsail and trinket
         warily in our hands.                     --Hakluyt.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Trinket \Trin"ket\, n. [OE. trenket a sort of knife, hence,
   probably, a toy knife worn as an ornament; probably from an
   Old French dialectic form of trenchier to cut. Cf. Trench,
   v. t.]
   1. A knife; a cutting tool. --Tusser.
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   2. A small ornament, as a jewel, ring, or the like.
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   3. A thing of little value; a trifle; a toy.
      [1913 Webster]

WordNet (r) 3.0 (2006):

trinket
    n 1: cheap showy jewelry or ornament on clothing [syn: bangle,
         bauble, gaud, gewgaw, novelty, fallal, trinket]