American Dictionary

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Definition trench in American English

trench noun

[countable] noun
/trentʃ/
1

a long narrow open hole dug in the ground

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2

a trench used by soldiers to protect themselves from enemy attack

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2.1

the system of trenches in northern France and Belgium used by soldiers during World War I

Example

His great-grandfather died in the trenches.

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3

a long narrow valley in the ground under the ocean

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Definition trench in American English