pinnule
/ˈpɪnjuːl/
noun
- A small, feather-like part or division, especially a secondary leaflet of a compound leaf or a small branch of a feather.
- Each pinnule of the fern frond was no longer than a fingernail.
- The bird's feather had tiny pinnules branching off the main shaft.
- In the compound leaf, each pinnule is attached to a central stem called the rachis.
Synonyms