Noun ardea has 1 sense
  1. Ardea, genus Ardea - type genus of the Ardeidae: large New and Old World herons
    --1 is a kind of bird genus
    --1 is a member of Ardeidae, family Ardeidae
    --1 has members:
     great blue heron, Ardea herodius; great white heron, Ardea occidentalis
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