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A fleshy, usually brightly colored cover of a seed, usually arising from the funiculus.

[Medieval Latin arillus, grape seed, from a Romance source akin to Italian arillo, seed coat, from Vulgar Latin *arēnula, grain of sand, from diminutive of Latin arēna, sand; see arena.]

ar′iled adj.
ar′il·late′ (-lāt′, -lĭt) adj.


(ˈærɪl) or


(Botany) an appendage on certain seeds, such as those of the yew and nutmeg, developed from or near the funicle of the ovule and often brightly coloured and fleshy
[C18: from New Latin arillus, from Medieval Latin arilli raisins, pips of grapes]
ˈarilˌlate adj


(ˈær ɪl)

a usu. fleshy appendage or covering of certain seeds, as of the bittersweet, Celastrus scandens, or of the nutmeg.
[1785–95; < New Latin arillus, Medieval Latin: grape seed]
ar′il•late` (-ˌleɪt, -lɪt) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aril - fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seedaril - fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed
plant part, plant structure - any part of a plant or fungus
References in periodicals archive ?
Pomegranate landraces displayed high variability in fruit and aril related traits, which could be considered a valuable source of genes for commercial uses.
Development of a machine for the automatic sorting of pomegranate (Punica granatum) arils based on computer vision.
John was born on Aril 10, 1940 in Worcester a son of the late Frank and Margaret (Tompkins) Frohock and was a 1959 graduate of the former Commerce High School.
However, Figovc revealed, "it is important if you only want the juice, that you just strain it," making sure to squeeze the juice out of the aril without bringing the white seed inside with it.
BBC America's press release says that Aril Millen is returning in a lead role to play the "newly discovered male clones" -- Mark and Rudy.
In his comments made on the sidelines of the meeting, Professor Aril Kumar Tripathi, director of India's Central Institute for Medicinal and Aromatic Plants, and Sirinan Thubthimthed, Senior Researcher at Thailand's Institute of Technological Research agreed that "the Salalah event is important in that it gives IORA member states an opportunity to meet, exchange knowledge and ideas on medicinal plants and work to enhance future collaboration".
Satulnina Aril, another Badjao evacuee, opts to stay in the crowded evacuation center "because this is near the sea.
Aril 1, 2014 (KHARTOUM) -South Sudanese president Salva Kiir will visit Khartoum next Saturday for talks with his counterpart Omer Al-Bashir , the Sudanese foreign ministry announced on Tuesday.
Round six will then be held on March 28, followed by the seventh and penultimate round on Aril 18.
It was in 2007- 08, when I was playing under- 19 cricket that Aril Anthony sir met my father and convinced him to give me a year to play cricket to prove my credentials," Pandey told M AIL T ODAY .