- The definition of beanstalk is the main center stalk of a bean plant.
An example of a beanstalk is the thick green center of a bean plant from which the individual stems sprout.
Beans growing on a beanstalk.
beanstalk definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the main stem of a bean plant
beanstalk definition by American Heritage Dictionary
The stem of a bean plant.