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a usually fleshy appendage or covering of certain seeds, as of the bittersweet, Celastrus scandens, or the nutmeg.
Historical Examples

By the end of aril, the several armies seemed to be ready, and the general forward movement on Corinth began.
The Memoirs of General W. T. Sherman, Complete William T. Sherman

The aril is a growth from the extremity of the seed-stalk, or from the placenta when there is no seed-stalk.
The Elements of Botany Asa Gray

The pulp is of the nature of an aril, that is, an additional seed-coat.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 7 Various

This aril or husk is the mace of commerce, while the true nutmeg is the center or hard seed (nut).
The Nut Culturist Andrew S. Fuller

“Mace” is the “aril” or covering of the seed of the same plant.
Elements of Structural and Systematic Botany Douglas Houghton Campbell

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

“accessory covering of seeds,” 1794, from Modern Latin arillus, from Medieval Latin arilli, Spanish arillos “dried grapes, raisins.”
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.


Read Also:

  • Arillode

    noun a structure in certain seeds that resembles an aril but is developed from the micropyle of the ovule

  • Arillate

    having an .

  • Arimasp

    n. Latin Arimaspi (plural), from Greek Arimaspoi, mythical race of one-eyed people in Northern Europe who battled griffins over gold the griffins guarded. The name is said to be Scythian for “one-eyed.” Related: Arimaspian.

  • Arimathaea

    a town in ancient Palestine. Matt. 27:57. Historical Examples The striking character of this single appearance of Joseph of Arimathaea led to the rise of numerous legends. Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 5 Various When evening came, a man named Joseph of Arimathaea went to see Pilate. The King Nobody Wanted Norman F. […]

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