insane root

noun

Medical Definition of insane root 

1 : a root believed in medieval times to cause madness in those eating it and usually identified with either henbane or hemlock

2 : henbane

Learn More about insane root

Share insane root

Comments on insane root

What made you want to look up insane root? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an open space surrounded by woods

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!