the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. A thin plate or scale. Specifically
n.Synonyms See lamina.
n. plural The British pharmacopœial name for medicated gelatin disks used in ophthalmic practice.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a thin membrane that is one of the calcified layers that form bones
n. any of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus
n. thin plate
Word Usage
"The artery lies at first in front of the cochlea and tympanic cavity; from the latter cavity it is separated by a thin, bony lamella, which is cribriform in the young subject, and often partly absorbed in old age."