In British English, thin slices of fried potato that are crispy and salty; what Americans call potato chips.
From Latin 'crispus' meaning curled or wavy, referring to the texture. The word entered English meaning anything brittle and curled, and specifically applied to fried potatoes in British usage.
The word 'crisps' is a perfect example of how the same food has different names across English-speaking countries—Brits say 'crisps' for what Americans call 'chips,' while Brits call French fries 'chips,' creating total confusion for international speakers!
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