The Collaborative International Dictionary of English v.0.48:

croodle \croo"dle\ (kr[=oo]"d'l), v. i. [Cf. Cruddle,
   Crudle.]
   1. To cower or cuddle together, as from fear or cold; to lie
      close and snug together, as pigs in straw. [Prov. Eng.]
      --Wright. --Forby.
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            A dove to fly home to her nest and croodle there.
                                                  --C. Kingsley.
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   2. To fawn or coax. [Obs.]
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   3. To coo. [Scot.]
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