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Related to tansy: tansy ragwort, pennyroyal, Common Tansy
n. pl. tan·sies
Any of several plants of the genus Tanacetum of the composite family, especially T. vulgare, native to Eurasia, having corymbs of buttonlike yellow flower heads and aromatic, finely divided leaves that are sometimes used medicinally.
[Middle English, from Old French tanesie, from Vulgar Latin *tanacēta, from Late Latin tanacētum, wormwood.]
n, pl -sies
1. (Plants) any of numerous plants of the genus Tanacetum, esp T. vulgare, having yellow flowers in flat-topped clusters and formerly used in medicine and for seasoning: family Asteraceae (composites)
2. (Plants) any of various similar plants
[C15: from Old French tanesie, from Medieval Latin athanasia tansy (with reference to its alleged power to prolong life), from Greek: immortality]
n., pl. -sies.
any of several composite plants of the genus Tanacetum, esp. an Old World herb, T. vulgare, having clusters of tubular yellow flowers.
[1225–75; Middle English < Old French tanesie, aph. variant of atanesie < Medieval Latin athanasia < Greek athanasía immortality]
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|Noun||1.||tansy - common perennial aromatic herb native to Eurasia having buttonlike yellow flower heads and bitter-tasting pinnate leaves sometimes used medicinally|
composite plant, composite - considered the most highly evolved dicotyledonous plants, characterized by florets arranged in dense heads that resemble single flowers