Hibernation

from WordNet (r) 3.0 (2006)

hibernation
    n 1: the torpid or resting state in which some animals pass the
         winter
    2: cessation from or slowing of activity during the winter;
       especially slowing of metabolism in some animals
    3: the act of retiring into inactivity; "he emerged from his
       hibernation to make his first appearance in several years"

from The Collaborative International Dictionary of English v.0.48

Hibernation \Hi`ber*na"tion\, n. [Cf. F. hibernation.]
   The act or state of hibernating. --Evelyn.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

36 Moby Thesaurus words for "hibernation":
      beauty sleep, beddy-bye, bedtime, blanket drill, bye-bye, dormancy,
      doze, dreamland, drowse, fitful sleep, immobility, inaction,
      inactiveness, inactivity, inertia, land of Nod, light sleep, lull,
      motionlessness, quiescence, repose, shut-eye, silken repose, sleep,
      sleepland, sleepwalking, slumber, slumberland, snoozle,
      somnambulism, somniloquy, somnus, suspension, unconsciousness,
      underactivity, winter sleep

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