Word.ws English Dictionary

blacklines

blacklines is the plural of blackline.

blacklines is the third-person singular simple present indicative of blackline.

Meaning of blackline

Noun

blackline (plural blacklines)

  1. A document indicating the differences between two versions of another document.
  2. A line of deliberately burned material created to stop the advance of a larger fire.
    • A second squad uses drip torches to begin burning a 15- to 20-foot barrier or “blackline” inside the wetline.2011, Colorado Outdoors, volumes 49-50, page 11

See all 3 meanings of blackline

Questions about blacklines

What is blacklines the plural of?
Blacklines is the plural of blackline.

Words near blacklines in the dictionary

  1. blacklights
  2. blackline
  3. blackline tilefish
  4. blackline tilefishes
  5. blacklined
  6. blacklines
  7. blacklining
  8. Blacklion
  9. blacklip
  10. blacklips
  11. blacklist

Source and license

Adapted from Wiktionary: blacklines (page history and authors); blackline (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: “blacklines.” Word.ws, https://word.ws/blacklines. Based on Wiktionary, CC BY-SA 4.0.