Phrase guide

mail slot

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A slot in a wall or door through which mail is delivered.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: letterbox

Antonyms: none provided

2

noun

Meaning 2

A designated storage location for interprocess messages.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a slot (usually in a door) through which mail can be delivered

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: slot

History

Etymology

From mail + slot.

Across languages

Translations

11 source translations are retained for this English entry.

  • Danish: brevsprække — slot for mail delivery
  • Dutch: brievengleuf — slot for mail delivery
  • Finnish: postiluukku — slot for mail delivery
  • Finnish: kirjeluukku — slot for mail delivery
  • German: Briefschlitz — slot for mail delivery
  • German: Briefkasten — slot for mail delivery
  • Polish: skrzynka pocztowa — slot for mail delivery
  • Scottish Gaelic: toll-litrichean — slot for mail delivery
  • Spanish: ranura postal — slot for mail delivery
  • Spanish: buzón tipo ranura — slot for mail delivery
  • Swedish: brevinkast — slot for mail delivery