Definition

A round window in the side of a ship or aircraft that allows light and air in, and can be opened or closed.

Example

The captain looked through the porthole to check the weather outside.

Conversation

Have you ever looked through a porthole on a ship?

Yeah, it's such a unique view of the ocean!

I love how you can see the waves rolling by through the porthole.

It really makes you feel connected to the sea.

Synonyms & Antonyms

Root Explanation

**Porthole** → It is formed from "port" (from Old French *porte*, meaning door or opening) and "hole" (from Old English *hol*, meaning an opening or cavity). A porthole is essentially an opening or window in the side of a ship or aircraft, allowing light and air in.

Memory Tip

Think of a 'door' ('port') that is an 'opening' ('hole') in a ship, which helps you remember that a porthole is a small window or opening.

Visually Confused Words