• WordNet 3.6
    • n Vincetoxicum genus of chiefly tropical American vines having cordate leaves and large purple or greenish cymose flowers; supposedly having powers as an antidote
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Century Dictionary and Cyclopedia
    • n vincetoxicum The officinal name of the swallowwort or tamepoison, Cynanchum (Asclepias) Vincetoxicum, the root of which was formerly esteemed as a counter-poison. Both root and leaves have emetic properties.
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