/ ˈbɪvi; NAmE /
■ noun
( pl. biv·vies ) a tent or temporary shelter
■ verb
( third person sing.pres.t. biv·vies pres.part. bivvy·ing pt, pp biv·vied ) [ v ] to sleep in a tent or temporary shelter
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WORD ORIGIN
early 20th cent.: abbreviation of bivouac .