mummy bag
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- noun
- /ˈmʌmi bæg/
- Or up on Whitney that night of the blizzard in the double mummy bag, hooh?
- tapered mummy bags
Examples
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The snug fit of a mummy bag helps to keep you warm on cold camping nights.
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When hiking in cold weather, a well-insulated mummy bag is essential for staying warm.
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This mummy bag is specifically designed to reduce heat loss while you sleep outdoors.
Synonyms
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A warm padded bag to sleep in when camping
How Warm
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Surface Forms
Morphology
The combination 'mummy' + 'bag' transparently signals a type of bag associated with the shape or concept of a mummy, so a learner who knows both words can partly infer it refers to a bag shaped like a mummy (i.e., tapered). However, the precise technical sense—specifically a tapered sleeping bag designed to minimize heat loss—relies on domain knowledge (camping terminology) and could be misinterpreted (e.g., a bag for a mummy), so the relation is only partially predictable.
Etymology
The name mummy bag comes from the bag's tight, tapered shape that looks like a wrapped mummy. Because the bag fits close to the body, it keeps heat better than a loose one, so the name reminds you it 'fits snugly' to save warmth.