from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A fleshy, usually brightly colored cover of a seed, arising from the hilum or funiculus.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tissue surrounding the seed in certain fruits.

from the GNU version of the Collaborative International Dictionary of English

  • n. A exterior covering, forming a false coat or appendage to a seed, as the loose, transparent bag inclosing the seed of the white water lily. The mace of the nutmeg is also an aril.

from The Century Dictionary and Cyclopedia

  • n. In botany, a term variously applied to the accessory coverings or appendages of seeds.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed


from The American Heritage® Dictionary of the English Language, 4th Edition

Medieval Latin arillus, grape seed.



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  • It's basically the seed coat covering the actual seed coat, which is covering the seed.

    December 27, 2010

  • alir is an Indonesian word meaning flow.

    May 15, 2010

  • The letters A, I, L, and R can form six different words: aril, lair, liar, lira, rail, and rial. Are there any other sets of four letters that have this property?

    May 15, 2010

  • An aril (or arillus) is any specialized outgrowth from the funiculus (attachment point of the seed) (or hilum) that covers or is attached to the seed. It is sometimes applied to any appendage or thickening of the seed coat in flowering plants, such as the edible parts of the mangosteen and pomegranate fruit, or the mace of the nutmeg seed.

    Wikipedia - Aril

    November 24, 2008