The Collaborative International Dictionary of English v.0.48:

Stretch \Stretch\, v. i.
   1. To be extended; to be drawn out in length or in breadth,
      or both; to spread; to reach; as, the iron road stretches
      across the continent; the lake stretches over fifty square
      miles.
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            As far as stretcheth any ground.      --Gower.
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   2. To extend or spread one's self, or one's limbs; as, the
      lazy man yawns and stretches.
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   3. To be extended, or to bear extension, without breaking, as
      elastic or ductile substances.
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            The inner membrane . . . because it would stretch
            and yield, remained umbroken.         --Boyle.
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   4. To strain the truth; to exaggerate; as, a man apt to
      stretch in his report of facts. [Obs. or Colloq.]
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   5. (Naut.) To sail by the wind under press of canvas; as, the
      ship stretched to the eastward. --Ham. Nav. Encyc.
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   Stretch out, an order to rowers to extend themselves
      forward in dipping the oar.
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WordNet (r) 3.0 (2006):

stretch out
    v 1: extend or stretch out to a greater or the full length;
         "Unfold the newspaper"; "stretch out that piece of cloth";
         "extend the TV antenna" [syn: unfold, stretch, stretch
         out, extend]
    2: lie down comfortably; "To enjoy the picnic, we stretched out
       on the grass" [syn: stretch, stretch out]
    3: thrust or extend out; "He held out his hand"; "point a
       finger"; "extend a hand"; "the bee exserted its sting" [syn:
       exsert, stretch out, put out, extend, hold out,
       stretch forth]
    4: extend one's body or limbs; "Let's stretch for a minute--
       we've been sitting here for over 3 hours" [syn: stretch,
       stretch out]
    5: stretch (the neck) so as to see better; "The women craned
       their necks to see the President drive by" [syn: crane,
       stretch out]