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Postbox

Podcast 1 · Introduction

Postbox /ˈpəʊstbɒks/ · noun

A short documentary narration — meaning, origin, and how the word is used.

In this course, a postbox is a container in a public place where you drop letters for the mail service to collect. It is a type of box, and the Cambridge definition of postbox and the Merriam-Webster entry for postbox give the main sense. For more background, see the encyclopaedia article on pillar boxes.

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Podcast 2 · Daily Use

In Conversation

Two British speakers using "postbox" naturally in everyday talk.

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Podcast 3 · Prompt Engineering

Prompting with "postbox"

An instructor and developer explore real, copy-ready AI prompts built around the word.

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Transcript: “Postbox” vocabulary micro-course

Read along with the three podcasts, or open the full dictionary entry for Postbox for the definition, Arabic meaning, synonyms and example sentences.

Podcast 1 — Introduction & meaning

Narrator: Today's word is "Postbox" — noun, pronounced /ˈpəʊstbɒks/, with the stress on "post".

Narrator: A postbox is a container in a public place where you drop letters for the mail service to collect.

Narrator: In plain English, a postbox is the red box on the street where you post your letters.

Narrator: It is a compound of post, the mail, and box, a container, so literally a box for the post.

Narrator: "Posting a letter in the postbox" describes sliding your envelope into the slot for collection.

Narrator: It differs from a mailbox because postbox is the British English term, whereas mailbox is the American English term for the same thing.

Narrator: "A pillar postbox" is the tall, round, red variety found on British streets, named for its shape.

Narrator: Postal services, street furniture, design history and everyday life all rely on the word postbox.

Narrator: So remember: a postbox is a public letter box, from post plus box.

Read podcasts 2 and 3

Podcast 2 — In conversation

Speaker A: Why are British postboxes red? I've always wondered.

Speaker B: To stand out! POSTBOX joins post, the mail, with box, a container, and the red colour was chosen in the nineteenth century so the boxes were easy to spot on the street.

Speaker A: And Americans call them mailboxes?

Speaker B: Exactly — same thing, different word!

Speaker A: Example sentences?

Speaker B: "She dropped the letter in the postbox"; "the postbox was painted red"; "he walked to the nearest postbox" — an action, a colour, and a walk.

Speaker A: Common mistakes?

Speaker B: Do not call a home letter box a postbox, since a postbox is a public container; and the plural is postboxes, not postboxs.

Speaker A: Close relatives?

Speaker B: "Mailbox" the American cousin, "pillar box" the British twin, "letter box" the home alternative. The postbox keeps its red, street-standing charm!

Podcast 3 — Prompt engineering

Speaker B: Let's use "postbox" in AI prompts — useful for moving-house guides and design history tools.

Speaker A: So a prompt could help a newcomer find a postbox?

Speaker B: Right. For a moving app, you'd write:

Prompt: Write a short guide for a newcomer on how to find and use a local postbox, naming one collection-time tip.

Speaker A: How about a history tool?

Speaker B: Ask the model to describe a design:

Prompt: Describe in three sentences how the British pillar postbox design evolved, naming two monarchs whose initials appear.

Speaker A: Could it help with a postal app?

Speaker B: Yes, you can explain collection:

Prompt: Explain in two sentences how letters are collected from a postbox, naming the frequency and one thing to check before posting.

Speaker A: One more?

Speaker B: For a craft app, try this:

Prompt: Suggest two simple craft projects using a picture of a red postbox, suitable for a primary school class.