Noun arrow arum has 1 sense
  1. arrow arum - an aquatic plant of the genus Peltandra; North America
    --1 is a kind of
    aquatic plant, water plant, hydrophyte, hydrophytic plant
    --1 is a member of Peltandra, genus Peltandra
    --1 has particulars: green arrow arum, tuckahoe, Peltandra virginica
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