Mouthline

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The line formed by a creature's closed mouth.

    "Traditionally, duckbill dinosaurs have been portrayed as cheekless, with the mouthline running from chin to ear[…]"

Example

More examples

"Traditionally, duckbill dinosaurs have been portrayed as cheekless, with the mouthline running from chin to ear[…]"

Etymology

From mouth + line.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.