Definitions

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

  • n. Biology A thin, pliable layer of tissue covering surfaces or separating or connecting regions, structures, or organs of an animal or a plant.
  • n. Biology Cell membrane.
  • n. A piece of parchment.
  • n. Chemistry A thin sheet of natural or synthetic material that is permeable to substances in solution.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A flexible enclosing or separating tissue forming a plane or film and separating two environments (usually in a plant or animal).
  • n. A mechanical, thin, flat flexible part that can deform or vibrate when excited by an external force.
  • n. A flexible or semi-flexible covering or waterproofing whose primary function is to exclude water.

from the GNU version of the Collaborative International Dictionary of English

  • n. A thin layer or fold of tissue, usually supported by a fibrous network, serving to cover or line some part or organ, and often secreting or absorbing certain fluids.

from The Century Dictionary and Cyclopedia

  • n. A thin pliable expansive structure of the body; an expansion of any soft tissue or part in the form of a sheet or layer, investing or lining some other structure or connecting two or more structures.
  • n. In entomology, specifically, the membranous terminal part of a hemielytrum; the membrane of the fore wing of a hemipter. See cut under clavus.
  • n. A skin prepared for being written on.

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

  • n. a thin pliable sheet of material
  • n. a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants

Etymologies

Latin membrāna, skin, from membrum, member of the body.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin membrana ("skin of body"). (Wiktionary)

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.