thapsia

noun
thap·​sia | \ ˈthapsēə\

Definition of thapsia

1 plural -s : a plant of the genus Thapsia especially : deadly carrot
2 capitalized : a small genus of herbs (family Umbelliferae) of the Mediterranean region having the flowers in compound umbels without involucres and the fruit broadly winged

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History and Etymology for thapsia

New Latin, from Latin, a poisonous plant, from Greek, from Thapsos, town and peninsula in Sicily

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