The Collaborative International Dictionary of English v.0.48:

Latibulize \La*tib"u*lize\, v. i. [imp. & p. p. Latibulized;
   p. pr. & vb. n. Latibulizing.] [L. latibulum hiding place,
   fr. latere to lie hid.]
   To retire into a den, or hole, and lie dormant in winter; to
   retreat and lie hid. [R.] --G. Shaw.
   [1913 Webster]