The Collaborative International Dictionary of English v.0.48:

Crouch \Crouch\ (krouch; 129), v. i. [imp. & p. p. Crouched
   (kroucht); p. pr. & vb. n. Crouching.] [OE. cruchen,
   crouchen, crouken; cf. E. creep, G. krauchen, kriechen, or E.
   crook to bend, also crouch to cross.]
   1. To bend down; to stoop low; to lie close to the ground
      with the logs bent, as an animal when waiting for prey, or
      in fear.
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            Now crouch like a cur.                --Beau. & Fl.
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   2. To bend servilely; to stoop meanly; to fawn; to cringe. "A
      crouching purpose." --Wordsworth.
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            Must I stand and crouch
            Under your testy humor?               --Shak.
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