from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A line or mark on a shore indicating the highest or lowest level reached by the tide.
- n. A trace or indication of past activity: "Just along the highway into town is the last tidemark of the Nazi advance, a brutal tangle of brown sculpture” ( Regina Nadelson).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a line (of seaweed or differently coloured sand etc) on the shore showing the level of high or low tide
- n. any mark showing the limit of some past activity
- n. a line of scum left on a bath tub when the water is drained away
from the GNU version of the Collaborative International Dictionary of English
- n. a mark on a shore line indicating the normal level of the water at high tide, caused by the action of the flowing water; sometimes also used for the mark left at the point of the normal low tide; -- called also high water mark.
- n. the maximum level which some activity has reached and from which it has declined; -- called also high water mark.
from The Century Dictionary and Cyclopedia
- n. The limit of the flow or of the ebb of the tide.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. indicator consisting of a line at the highwater or low-water limits of the tides
Sorry, no etymologies found.