Definition

A small lid or cover that can close or cover an opening, often found in biological contexts such as in certain fish or snails.

Example

The opercule of the fish protects its gills from debris and predators.

Conversation

Have you ever seen a fish with an opercule?

Yeah, I think it's that flap that covers their gills, right?

Exactly! It's interesting how it helps them breathe underwater.

For sure, nature has some amazing adaptations like that.

Synonyms & Antonyms

Root Explanation

Opercule is derived from the Latin "operculum" (meaning a cover or lid), which comes from "operire" (meaning to cover). The word "opercule" refers to a small cover or lid, particularly in biological contexts, such as the covering of certain organs or structures.

Memory Tip

Think of a 'cover' ('operculum') that protects or hides something underneath — that's what an opercule does.

Visually Confused Words