Meanings
plural tidelines
- A line of floating debris, seaweed etc. that marks the boundary between two surface currents.
And last year, at 5:26 a.m. on August 10, a whole mountainside toppled into the tideline of the shrunken Sawyer Glacier, not far from the Alaskan capital, Juneau. The impact jetted a tsunami a staggering 500 meters up the walls of the fjord.
2026 February 27, Paul Salopek, “Hazard Cascade”, in National Geographic
Origin
Cite this entry
tideline. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/tideline
“tideline.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/tideline. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “tideline,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/tideline.
Source: tideline on Wiktionary, CC BY-SA 4.0.