aril definition by Webster's New World
an additional covering that forms on certain seeds after fertilization, developing from the stalk of the ovule
Origin: Modern Latin arillus ; from Midieval Latin dried grape ; from Classical Latin aridus, arid
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- arillate adjective
aril definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A fleshy, usually brightly colored cover of a seed, arising from the hilum or funiculus.
Origin: Medieval Latin arillus, grape seed.
- arˈiled adjective
- arˈil·lateˌ adjective
aril - Science Definition
A fleshy seed cover which arises from the funiculus (the stalk of the ovule). Arils, such the red berry-like arils of the yew, are often brightly colored to attract animals who eat them and disperse the seeds. The spice mace is the aril of the nutmeg seed.