Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Dwelling at or near the bottom of a body of water: a demersal fish.
  • adj. Sinking to or deposited near the bottom of a body of water: demersal fish eggs.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. That lives near the sea bed and lake bed

from The Century Dictionary and Cyclopedia

  • Having so great a specific gravity as to sink in water: said of fish-eggs.

Etymologies

From Latin dēmersus, past participle of dēmergere, to sink : dē-, de- + mergere, to sink.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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  • Heehee! Thanks, trivet!

    May 29, 2007

  • Oh, a flounder's life is a wonderful life,
    A-lurkin' under the sea,
    I'd need no rehersal to be a demersal
    It's the life of a flounder for me!
    Oh, the life of a flounder for me!
    Oh, a flounder's life is a wonderful life,
    Your eyes are on top of your head,
    For lying quite hidden, then pouncing unbidden
    What a glorious life it would be!
    Oh, what a glorious life it would be!

    with apologies to pirates everywhere.

    May 29, 2007

  • Living at or near the sea floor but having the capacity for active swimming; e.g., flounder.

    May 29, 2007