WordReference Random House Unabridged Dictionary of American English © 2020
ca•la•di•um  (kə lādē əm),USA pronunciation n. 
  1. Plant Biologyany of several tropical American plants of the genus Caladium, of the arum family, cultivated for their variegated, colorful leaves.
  • Neo-Latin: origin, originally coined as genus name for taro on basis of Malay kəladi (spelling, spelled keladi) araceous plant; see -ium
  • 1835–45

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