midline

M3I1D2L1I1N1E1

noun

The medial line (or plane) of the body, which divides the body into halves that are mirror-images of each other.

Similar
midplane
OriginEnglish line ← Middle English line ← Old English līne →
Less commonScrabble 10
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Meanings

nounmidline (plural midlines)

plural midlines

  1. anatomyThe medial line (or plane) of the body, which divides the body into halves that are mirror-images of each other.
  2. mediaThe level of the top of the x-height of a typeface.
adjective
  1. Of or pertaining to such a line.

Synonyms & antonyms

nounthe median plane of the body (or some part of the body)

Similar
midplane
Broader
planesheet
Also see
midplane

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*me
  2. Proto-Indo-European*dʰeh₁-?
  3. Proto-Indo-European*médʰi
  4. Proto-Indo-European*médʰyos
  5. Proto-Germanic*midjaz
  6. Proto-West Germanic*midi
  7. Old Englishmidd
  8. Middle Englishmid
  9. Englishmid
  10. Englishmid-
  11. Proto-Indo-European*līno-der.?
  12. Proto-Germanic*līną
  13. Proto-Germanic*līnǭ
  14. Proto-West Germanic*līnā
  15. Old Englishlīne
  16. Middle Englishline
  17. Englishline
  18. Englishmidline

From mid- + line.

Full word history & related roots →

Translations

Czech středová čára
  • středová čáramedial line
Cite this entry
APA

midline. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/midline

MLA

“midline.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/midline. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “midline,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/midline.

Source: midline on Wiktionary, CC BY-SA 4.0.