Arillodium – Definition & Meaning

Arillodium is a term that is not commonly used in everyday language. However, it is a word that has a specific meaning and is used in certain contexts. In this article, we will explore the definition and meaning of arillodium, its origin, and its associations.


Arillodium is a botanical term that refers to a fleshy outgrowth from the base of a seed, which is often brightly colored and serves to attract animals that will disperse the seed. This structure is also known as an aril or an arillus.


The word arillodium is derived from the Latin word arillus, which means “a little ear.” The suffix -odium is used to indicate a structure or part of an organism.

Meaning in different dictionaries

Arillodium is not a commonly used word, so it may not be listed in many dictionaries. However, it can be found in some botanical dictionaries and glossaries. For example, the Dictionary of Botanical Epithets defines arillodium as “an aril-like appendage or outgrowth.”


Arillodium is associated with the reproductive structures of plants. It is a part of the seed that serves to attract animals that will disperse the seed, helping the plant to spread its genetic material.


Arillodium is also known as an aril or an arillus.


There are no specific antonyms of arillodium, as it is a term that refers to a specific structure.

The same root words

The root word of arillodium is arillus, which is also the root word of the related terms aril and arillus.

Example Sentences

Here are some example sentences that use the term arillodium:

  • The arillodium on this seed is brightly colored to attract birds.
  • The arillodium serves to protect the seed and attract animals that will disperse it.
  • The arillodium is a fleshy outgrowth that develops from the base of the seed.
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