inlet

American  

[in-let, -lit, in-let, in-let] / ˈɪn lɛt, -lɪt, ˈɪnˌlɛt, ɪnˈlɛt /

noun

1. an indentation of a shoreline, usually long and narrow; small bay or arm.

2. a narrow passage between islands.

3. a place of admission; entrance.

4. something put in or inserted.

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verb (used with object)

inlet, inletting

1. to put in; insert.

inlet British  

noun

1. a narrow inland opening of the coastline

2. an entrance or opening

3. the act of letting someone or something in

4. something let in or inserted

5. 1. a passage, valve, or part through which a substance, esp a fluid, enters a device or machine

   2. ( as modifier )

      an inlet valve

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verb

1. (tr) to insert or inlay

Etymology

Origin of inlet

Middle English word dating back to 1250–1300; see origin at in, let ¹

Example Sentences

The last reported sighting of the St Malachy's College student was at Northwood Road close to the tunnel inlet, more than 600m upstream from where his body was discovered six days after he went missing.

From BBC • May 15, 2026

That's because fish have to swim within two metres of the pipe inlet heads, and the estuary is 22km wide at that point.

From BBC • Feb. 10, 2026

Scotland's First Minister John Swinney however expressed dismay that he had only heard about the tanker being in the Scottish inlet of Moray Firth via media reports.

From Barron's • Jan. 14, 2026

A more extensive upgrade that moves the position of that engine’s air inlet is set to be available for new aircraft deliveries.

From The Wall Street Journal • Nov. 18, 2025

“It’s much too far. A boat will cut across the inlet faster,” argued Joana.

From "Salt to the Sea" by Ruta Sepetys

Related Words

• basin
• estuary
• fjord