Cypripedium arietinum cyp·ri·pe·diumarietinum uncommon noun 1. orchid of northern North America having a brownish-green flower and red-and-white lip suggestive of a ram''s head Synonymsram's-headram's-head lady's slipperCypripedium arietinum Related words Broader terms lady's slipper WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
