Definition

A type of extinct sea creature that lived a long time ago, known for its three-part body structure and often found as fossils.

Example

Scientists discovered a trilobite fossil while digging in the ancient seabed.

Conversation

Did you know that a trilobite is an ancient sea creature?

Really? I didn't know that! What did they look like?

They had a segmented body divided into three lobes, kind of like a bug.

That sounds fascinating! I love learning about prehistoric animals.

Synonyms & Antonyms

Root Explanation

Trilobite → It is formed from "tri-" (meaning three) and "lobus" (from Greek "lobos", meaning lobe or division). The word refers to an extinct marine arthropod characterized by its three-lobed body structure.

Memory Tip

Think of the prefix 'tri-' meaning three, and 'lobus' referring to lobes or divisions, which helps you remember that a trilobite has a body divided into three distinct sections.

Visually Confused Words