Noun dumb cane has 1 sense
  1. dumb cane, mother-in-law plant, mother-in-law's tongue, Dieffenbachia sequine - a evergreen plant with large showy dark green leaves; contains a poison that swells the tongue and throat hence the name
    --1 is a kind of arum, aroid
    --1 is a member of Dieffenbachia, genus Dieffenbachia
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