1. Any of various tendril-bearing vines of the genus Sicyos of the Americas, especially S. angulatus, which has whitish flowers and clusters of small fruits covered with long slender prickles.
2. The fruit of any of these vines.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.