Definition

A small leaflet or division of a compound leaf, or a featherlike part of an organ in certain animals.

Example

The pinnules of the fern were delicate and beautifully arranged.

Conversation

Have you ever seen a leaf with a pinnule before?

No, I haven't! What does it look like?

It's like a tiny leaflet that makes up part of a bigger leaf structure.

That sounds interesting! I should look out for them next time I’m hiking.

Synonyms & Antonyms

Root Explanation

**Pinnule** → It is derived from the Latin "pinnula" (meaning small feather or wing), which is a diminutive form of "pinna" (meaning feather or wing). The word "pinnule" refers to a small, feather-like structure, often used in botanical contexts to describe leaflets or segments of a compound leaf.

Memory Tip

Think of 'pinna' meaning feather or wing, and remember that a 'pinnule' is a small feather-like part, often found in leaves.

Visually Confused Words