fly sheet
- noun
- UK
- Make sure to fasten the fly sheet tightly to keep out insects and rain.
Examples
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The fly sheet was flapping in the wind after the storm passed.
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The fly sheet protects the tent from rain.
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He held open the fly sheet so we could slip quietly into the tent.
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I forgot to secure the fly sheet before the storm.
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The fly sheet of the tent kept out the rain while we were camping.
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Before entering the tent, she lifted the fly sheet to make space.
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The scouts learned how to secure the fly sheet to prevent it from blowing away.
Synonyms
A piece of canvas that covers the tent entrance
A piece of cloth like a door that opens and closes at a tent entrance
A waterproof sheet that covers a tent to keep it dry
A flap of fabric that opens to let people into a tent
Surface Forms
Morphology
The noun is transparently built from 'fly' (a tent flap) + 'sheet' (a piece of canvas), so the combined meaning 'a sheet used as a fly for a tent entrance' follows directly from the constituents. This is a regular noun–noun compound pattern that a B1 learner who knows both words should be able to infer.
Etymology
Fly sheet may come from the image of a sheet that seems to fly or flap over the tent entrance like a small roof. That's why it means 'a flap of material at a tent entrance' used to keep out rain and insects.