bivvybag

Etymology

Compound of bivvy + bag.

bivvybag means A lightweight, durable, waterproof bag, somewhat larger than a sleeping bag, that acts as an alternative to a tent. Lexicurio rates it Sui generis — a strength score of 100 out of 100.

noun

A lightweight, durable, waterproof bag, somewhat larger than a sleeping bag, that acts as an alternative to a tent.“But while De Quincey came up with a prototype for a one-person tent, Stevenson invented the bivvybag, 'a sort of long roll or sausage, green waterproof cart-cloth without and blue sheep's fur within.'”