bivy bag

noun
variants: or bivy sac or less commonly bivvy bag or bivvy sac

Definition of bivy bag

:a collapsible bag made of weatherproof fabric that is used to provide shelter usually for a single person in the wilderness
  • All night the rain came in wind-lashed waves that hammered at the nylon bivy bag
  • —Craig MedredAnchorage Daily News30 Sept. 1990
  • I was comfortably warm in my sleeping bag and bivvy bag
  • —Clive TullyGeographical MagazineMarch 1990
  • I crawled back to my bike and unhooked my survival kit—a bivy sack, sleeping bag and foam pad.
  • —Jill HomerJuneau (Alaska) Empire16 Mar. 2008
  • This well-designed, compact bivvy sack is easy to slide into and protects best when temperatures are above 9C.
  • Toronto Star16 Aug. 2008

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First Known Use of bivy bag

1975


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