dragon's teeth

(redirected from sow dragon's teeth)
Also found in: Idioms.

dragon's teeth

pl n
1. (Fortifications) 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 Cadmus]
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References in periodicals archive ?
The cruel Aeetes promised to relinquish the Fleece if Jason could pass a test: he must plow a field with two fire - breathing bulls, sow dragon's teeth, and fight the armed men who would spring up (see also Sparti ).