trim line

noun

A clear line on the side of a valley formed by a glacier, marking the most recent highest extent of the glacier.

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Meanings

nountrim line (plural trim lines)

plural trim lines · alternative trimline

  1. A clear line on the side of a valley formed by a glacier, marking the most recent highest extent of the glacier.
  2. A similar phenomenon caused by floods, volcanic activity, or tsunamis.
Cite this entry
APA

trim line. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/trim%20line

MLA

“trim line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trim%20line. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “trim line,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/trim%20line.

Source: trim line on Wiktionary, CC BY-SA 4.0.