gun·​nera | \(ˌ)gəˈnirə, -nerə\

Definition of gunnera 

1 capitalized : a genus of widely distributed herbs (family Haloragaceae) several of which are used as garden ornamentals with large orbicular basal leaves and a thick spike of small flowers

2 plural -s : any plant of the genus Gunnera

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History and Etymology for gunnera

New Latin, from Johan Ernst Gunnerus †1773 Norwegian botanist

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to enclose within walls

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