Previous definitions:
1.
The globe artichoke is the bud of a plant from the thistle family, with petal-shaped leaves that comes to a thorny tip. The edible portions are the bases of the leaves and the meaty "heart" which is at the center and bottom of the bud.
Note: Not to be confused with Jerusalem artichoke or Chinese artichoke which are very different from the globe artichoke and are used for their root tubers.
As defined by Mechanical Turk
on May 18, 2011
