Noun cypripedium arietinum has 1 sense
  1. ram's-head, ram's-head lady's slipper, Cypripedium arietinum - orchid of northern North America having a brownish-green flower and red-and-white lip suggestive of a ram's head
    --1 is a kind of lady's slipper, lady-slipper, ladies' slipper, slipper orchid
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