|1.||informal conical or wedge-shaped concrete antitank obstacles protruding from the ground in rows: used in World War II|
|2.||sow dragon's teeth to take some action that is intended to prevent strife or trouble but that actually brings it about|
|[sense 2 from the story of |
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|the offspring of a zebra and a donkey.|
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