witch hat

noun1

1. •
   A style of hat worn by witches in popular culture depictions, characterized by a conical crown and a wide brim.

   • Charlene had a witch hat she'd made out of papier-mâché, with silver glitter glued on it in the shape of stars. It was too good a hat to use just once, so on most Halloweens she was a witch. — 2016