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WordReference Random House Unabridged Dictionary of American English © 2024pen•ny•wort (pen′ē wûrt′, -wôrt′),USA pronunciation n. - Plant Biologyany of several plants having round or roundish leaves, as the navelwort.
- Middle English penywort. See penny, wort2 1275–1325
Collins Concise English Dictionary © HarperCollins Publishers:: pennywort /ˈpɛnɪˌwɜːt/ n
Also called: navelwort a crassulaceous Eurasian rock plant, Umbilicus rupestris (or Cotyledon umbilicus), with whitish-green tubular flowers and rounded leaves- a marsh plant, Hydrocotyle vulgaris, of Europe and North Africa, having circular leaves and greenish-pink flowers: family Hydrocotylaceae
- any of various other plants with rounded penny-like leaves
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