occult line

noun

A line drawn as a part of the construction of a geometrical figure or problem, but not to appear in the finished plan.

Meanings

nounoccult line (plural occult lines)

plural occult lines

  1. A line drawn as a part of the construction of a geometrical figure or problem, but not to appear in the finished plan.

    Yet in making an occult line on my chart, to indicate this rise from a depth at present beyond estimate, I by no means meant it as a mark for shoal water in which navigation is concerned.

    1854, William Henry Smyth, The Mediterranean: A Memoir Physical, Historical, and Nautical, pages 136–37
Cite this entry
APA

occult line. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/occult%20line

MLA

“occult line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/occult%20line. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “occult line,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/occult%20line.

Source: occult line on Wiktionary, CC BY-SA 4.0.