n 1  :  a Eurasian plant of the genus Delphinium (D. staphisagria) having racemose purple flowers  2  :  the ripe seeds of the stavesacre that contain delphinine, are violently emetic and carthartic, and have been used to kill head lice - called also staphisagria  .
 
 
 
Similar sounding terms:  staph·i·sa·gria 
 
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