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Word of the Day Wednesday, June 10, 2026

treeline

/ˈtriːlaɪn/ noun · British & US
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What does treeline mean?

noun

The line or boundary formed by the tops of trees, typically in a forest or woodland. A line or boundary beyond which something is no longer visible or effective.

Example

"The treeline marked the edge of the forest, beyond which the landscape opened up to a stunning view."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for treeline

Antonyms of treeline

Rhymes with treeline