Definition

A small sensory appendage found on the head of some animals, particularly crustaceans, that resembles an antenna.

Example

The tiny antennules of the shrimp help it sense its environment.

Conversation

Did you know that some crustaceans have a tiny feature called an antennule?

Really? I had no idea what that was until now!

Yeah, it's like a small antenna that helps them sense their environment.

That's fascinating! Nature has so many interesting adaptations.

Synonyms & Antonyms

Root Explanation

**Antenule** → It is formed from "antenna" (from Latin *antenna*, meaning sail yard or antenna) and "-ule" (a diminutive suffix meaning small). The word "antennule" refers to a small antenna, typically found in certain animals like crustaceans.

Memory Tip

Think of a small 'antenna' — the '-ule' suffix indicates that it's a smaller version, so an 'antennule' is a small antenna.

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