Definition

A type of large sea duck found in northern areas, known for its soft down feathers and distinctive black and white coloring in males.

Example

The eider is often seen swimming in the cold northern waters.

Conversation

Did you see that eider duck at the park yesterday?

Yeah, it was stunning with its black and white feathers!

I heard they have really soft down, which is quite valuable.

Exactly! It's amazing how nature provides such unique materials.

Synonyms & Antonyms

Root Explanation

The word 'eider' comes from Old Norse 'ædder', meaning a type of duck, specifically the eider duck known for its down feathers. It refers to this particular species of duck valued for its soft plumage.

Memory Tip

Think of the Old Norse word 'ædder' for a type of duck — this helps you remember that 'eider' refers to a specific duck known for its soft feathers.

Visually Confused Words