1. European annual having large trumpet-shaped reddish-purple flowers and poisonous seed; a common weed in grainfields and beside roadways; naturalized in America
   "corn campion once commonly infested wheat fields";
   - corn cockle, crown-of-the-field, Agrostemma githago

Derived forms: corn campions

Type of: weed

Part of: Agrostemma, genus Agrostemma

Encyclopedia: Corn campion