Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

hibernate

play
intransitive verb hi·ber·nate \ˈhī-bər-ˌnāt\

Medical Definition of hibernate

hi·ber·nat·edhi·ber·nat·ing

  1. :  to pass the winter in a torpid or resting state; especially :  to pass the winter in a torpid condition in which the body temperature drops to a little above freezing and metabolic activity is reduced nearly to zero—compare estivate

  2. hi·ber·na·tion \ˌhī-bər-ˈnā-shən\play noun
    hi·ber·na·tor \ˈhī-bər-ˌnāt-ər\play noun





Seen and Heard

What made you want to look up hibernate? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 100 pounds 16.96 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ