Word.ws English Dictionary

mouthline

mouthline noun: the line formed by a creature's closed mouth.

Noun

mouthline (plural mouthlines)

  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[…]1986, Robert T. Bakker, The dinosaur heresies

Forms of mouthline

pluralmouthlines

Origin of mouthline

From mouth + line.

Questions about mouthline

What does mouthline mean?
Mouthline means the line formed by a creature's closed mouth.
What part of speech is mouthline?
Mouthline is a noun.
What is the plural of mouthline?
The plural of mouthline is mouthlines.

Words near mouthline in the dictionary

  1. mouthless
  2. mouthless crab
  3. mouthless crabs
  4. mouthlessness
  5. mouthlike
  6. mouthline
  7. mouthlines
  8. mouthly
  9. mouthorgan
  10. mouthorgans
  11. mouthpart

Source and license

Adapted from Wiktionary: mouthline (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “mouthline.” Word.ws, https://word.ws/mouthline. Based on Wiktionary, CC BY-SA 4.0.