Definition

A type of ray fish that has spines on its back, found in European and Pacific waters.

Example

The thornback is known for its distinctive spines and flat body.

Conversation

Have you ever seen a thornback ray at the aquarium?

No, I haven't! What do they look like?

They're pretty unique, with spines along their back and a flat body.

That sounds interesting! I should definitely check them out.

Synonyms & Antonyms

Root Explanation

Thornback → The word is formed from "thorn" (from Old English *þorn*, meaning a sharp, pointed growth) and "back" (from Old English *bæce*, meaning the rear or back part). A thornback refers to a type of ray fish that has thorn-like spines on its back.

Memory Tip

Think of a 'sharp growth' ('thorn') on the 'back' of a fish — that's why a thornback is a fish with thorny spines on its back.

Visually Confused Words