Definition

A section on the underside of a starfish or similar sea creature where small tube-like feet extend and retract.

Example

The ambulacrum of the starfish is essential for its movement and feeding.

Conversation

Did you know that the ambulacrum is a vital part of a starfish's anatomy?

Really? I had no idea it had such a specific name.

Yeah, it's where the tube feet come out from!

That's so interesting! I love learning about marine biology.

Synonyms & Antonyms

Root Explanation

Ambulacrum is derived from "ambulare" (meaning to walk) and the suffix "-crum" (indicating a place or means). The term refers to a place for walking, specifically in the context of the structures found in echinoderms like starfish, which are used for locomotion.

Memory Tip

Think of 'walking' ('ambulare') to remember that 'ambulacrum' refers to a place designed for movement or walking.

Visually Confused Words