Definition

A container or chamber where fuel is burned to produce heat, often found in furnaces or steam engines.

Example

The engineer checked the firebox to ensure it was functioning properly before starting the train.

Conversation

Did you check the firebox in the office today?

Yeah, I made sure it was working properly.

Good! We can't take any chances with safety equipment like the firebox.

Absolutely, better safe than sorry.

Synonyms & Antonyms

Root Explanation

Firebox → The word is formed from "fire" (from Old English "fyr", meaning flame or heat) and "box" (from Old English "box", meaning a container). A firebox is a container designed to hold fire or flames, typically found in stoves or furnaces.

Memory Tip

Think of a 'container' ('box') that holds 'flame' ('fire') — that's what a firebox is.

Visually Confused Words