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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Pleu·ri·sy n.  Med. An inflammation of the pleura, usually accompanied with fever, pain, difficult respiration, and cough, and with exudation into the pleural cavity.
 Pleurisy root. Bot. (a) The large tuberous root of a kind of milkweed (Asclepias tuberosa) which is used as a remedy for pleuritic and other diseases. (b) The plant itself, which has deep orange-colored flowers; -- called also butterfly weed.
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From: WordNet (r) 2.0

 Asclepias tuberosa
      n : erect perennial of eastern and southern United States having
          showy orange flowers [syn: butterfly weed, orange
           milkweed, chigger flower, chiggerflower, pleurisy
           root, tuber root, Indian paintbrush]