from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One of the thin scales, plates, layers, or membranes in an organism, as one of the gills of a mushroom or one of the thin sheets that make up certain bones.

from The Century Dictionary.

  • noun A thin plate or scale. Specifically
  • noun Synonyms See lamina.
  • noun plural The British pharmacopœial name for medicated gelatin disks used in ophthalmic practice.

from the GNU version of the Collaborative International Dictionary of English.

  • noun a thin plate or scale of anything, as a thin scale growing from the petals of certain flowers; or one of the thin plates or scales of which certain shells are composed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun a thin, plate-like structure
  • noun mycology the gill of a mushroom.

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

  • noun a thin membrane that is one of the calcified layers that form bones
  • noun any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus
  • noun thin plate


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

[Latin lāmella, small thin plate, diminutive of lāmina, thin plate.]


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