Definitions

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

  • n. A sticky substance used as an adhesive.
  • n. A gummy substance obtained from certain plants.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A thick gluey substance (gum) produced by many plants and some microorganisms.

from the GNU version of the Collaborative International Dictionary of English

  • n. A gummy or gelatinous substance produced in certain plants by the action of water on the cell wall, as in the seeds of quinces, of flax, etc.
  • n. An aqueous solution of gum, or of substances allied to it; a glue; a liquid adhesive

from The Century Dictionary and Cyclopedia

  • n. Moldi-ness; mustiness; rottenness; a slimy mass.
  • n. Gum extracted from the seeds, roots, and bark of plants.
  • n. In chem., the general name of a group of carbohydrates, having the formula C6H10O5n.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a gelatinous substance secreted by plants
  • n. cement consisting of a sticky substance that is used as an adhesive

Etymologies

Middle English muscilage, gelatinous plant substance, from Old French mucilage, from Late Latin mūcilāgō, mūcilāgin-, from Latin mūcēre, to be musty, from mūcus, mucus.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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  • That is just utterly vile. And scary.

    October 15, 2009

  • "Up to 124 miles (200 kilometers) long, the mucilages appear naturally, usually near Mediterranean coasts in summer. The season's warm weather makes seawater more stable, which facilitates the bonding of the organic matter that makes up the blobs."
    - Christine Dell'Amore, Giant, Mucus-Like Sea Blobs on the Rise, Pose Danger, nationalgeographic.com, 8 Oct 2009.

    October 12, 2009