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casson

noun
cas·​son | \ˈkasᵊn, -zᵊn\
plural -s

Definition of casson 

dialectal, England

: dried dung of cattle used for fuel —usually used in plural

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History and Etymology for casson

earlier casen, probably of Scandinavian origin; akin to Old Norse kös heap, Danish kokase cow dung; akin to Old Norse kasta to throw

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