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

  • adj. Covered with or formed of scales; scaly.
  • adj. Resembling a scale or scales; thin and flat like a scale: the squamous cells of the cervix.
  • adj. Of or relating to the thin, platelike part of the temporal bone.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Covered with, made of, or resembling scales; scaly.
  • adj. Of or pertaining to the squamosal bone; squamosal

from The Century Dictionary and Cyclopedia

  • In zoöl, and anatomy: Covered with scales; scaly; squamate; squamose; squamiferous or squamigerous.
  • Scale-like; squamoid; squamiform; specifically, of a bone, same as squamosal.
  • In botany, same as squamose.


Latin squāmōsus, from squāma, scale.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin squāmōsus, from squāma ("scale"). (Wiktionary)



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  • I'm totally puzzled as to how I actually knew that, now.

    June 18, 2009

  • Apparently this is pronounced "squay·mis" rather than "squam·is."

    March 15, 2008

  • "...mud and protruberant close-packed stone in dense sharp ridges underfoot, squamous and scutellated like a reptile's back or the feet of a falcon."

    - Niall Griffiths, Sheepshagger

    January 15, 2008