aril

/'æril/

Thân thiện

The red aril of the yew seed is a bright, fleshy cup.

Definition

1. Noun:
   • A fleshy, often brightly colored covering that develops from the ovule stalk of some seeds, partially or completely enclosing the seed.

Examples

• Noun:
  • The bright red aril of the yew seed is attractive to birds.
  • In the pomegranate, the edible part is the juicy aril surrounding each seed.
  • Botanists study the aril to understand seed dispersal mechanisms.

Advanced Usage

• "Arillate" (adj): Describing a seed that possesses an aril.
  • The arillate seeds of the nutmeg are a source of the spice mace.

Variants and Related Words

• Arillode (n): A structure that resembles an aril but has a different origin.
• Arilliform (adj): Having the shape or form of an aril.

Synonyms

• Seed coat appendage: A general term for structures attached to a seed coat.
• Funicular envelope: A more technical term referring to a covering derived from the funiculus (seed stalk).

Notes on Meaning

The aril is a specific botanical structure. It is not the seed itself, nor the fruit, but an extra outer layer. Its primary functions are often to attract animals for seed dispersal and to protect the seed.

Học thuật

Noun

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