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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Origin and Etymology of thapsia
New Latin, from Latin, a poisonous plant, from Greek, from Thapsos, town and peninsula in Sicily
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