sealine
noun/ˈsiːlaɪn/
Etymology From sea + line.
1
The coastline, seaboard.
2
The horizon.
3
A line used for sounding.
- Yet what depths of the soul does Jonah's deep sealine sound!1851 November 14, Herman Melville, “chapter 9”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC:
4
A line used for fishing in deep water.
5
An undersea pipeline for oil, natural gas, etc.