Definition, Meaning & Synonyms

acorn-cup

noun
/ˈeɪ.kɔrn kʌp/
Definition
The cup or cupule that holds and protects the acorn, which is the seed of oak trees.
Examples
  • The acorn-cup is often made of tough material to protect the acorn from pests.
  • As the acorn matures, the acorn-cup gradually becomes less green and more brown.
Meaning
An acorn-cup is a small, cup-shaped structure from which the acorn hangs. It is crucial for the acorn’s development and helps attach the acorn to the oak tree while it matures.
Synonyms
  • cupule
  • oak cup