interline

I1N1T1E1R1L1I1N1E1
/ˈɪntə(ɹ)ˌlaɪn//ˌɪntə(ɹ)ˈlaɪn/

adjective

Between lines.

“to interline a page or a book”

UncommonScrabble 9

Meanings

adjectiveinterline (not comparable)
  1. not comparableBetween lines.

    Interline twitter occurs on interlaced displays at half the field-rate.

    1986, Second International Conference on Simulators: 7-11 September 1986, IEEE, page 145
  2. not comparabletransportBetween (or with) two airlines.

    I had an interline connection from Delta to AA in Dallas/Ft. Worth.

    1 more example

    American Airlines and British Airways have an interline agreement to handle each other's baggage and to accept each other's tickets.

verbinterline (third-person singular simple present interlines, present participle interlining, simple past and past participle interlined)

present singular third person interlines · participle present interlining · participle past interlined · past interlined

  1. To write or insert between lines already written or printed, as for addition or correction.

    to interline a page or a book

    1 more example

    Then riſing with Aurora’s Light, / The Muse invok’d, ſit down to write; / Blot out, correct, inſert, refine, / Enlarge, diminiſh, interline; / Be mindful, when Invention fails, / To ſcratch your Head, and bite your Nails.

    1733, [Jonathan Swift], On Poetry: A Rapsody, Dublin; London: […] [R. Fleming] [a]nd sold by J. Huggonson, […], →OCLC, pages 7–8, lines 85–90
  2. To arrange in alternate lines.

    When by this way of interlining Latin and Englisſh one with another, he has got a moderate Knowledge of the Latin Tongue, he may then be advanc'd a little farther to the reading of ſome other eaſie Latin Book, […]

    1693, [John Locke], “§159”, in Some Thoughts Concerning Education, London: […] A[wnsham] and J[ohn] Churchill, […], →OCLC, page 199
  3. To imprint or mark with lines.

    For each contracted frown, / A crooked wrinkle interlines my brow: / Spend but one hour in frowns, and I shall look / Like to a beldam of one hundred years.

    c. 1600 (date written; first published 1657), attributed to Thomas Dekker, John Day, William Houghton, Lust’s Dominion: Or, The Lascivious Queen. A Tragedie, London: […] J. Chappell, Jun. […], published 1818, →OCLC, Act I, scene i, page 3

Origin

  1. Proto-Indo-European*h₁én
  2. Proto-Indo-European*h₁n̥tér
  3. Proto-Italic*n̥ter
  4. Latininter
  5. Latininter-
  6. Englishinter-
  7. Proto-Indo-European*līno-der.?
  8. Proto-Germanic*līną
  9. Proto-Germanic*līnǭ
  10. Proto-West Germanic*līnā
  11. Old Englishlīne
  12. Middle Englishline
  13. Englishline
  14. Englishinterline

From inter- + line.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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