Definition of squamous in English:



  • 1Covered with or characterized by scales.

    ‘a squamous black hide’
    squamate, squamose, lamellate, lamellar, lamelliform, lamellose
    View synonyms
    1. 1.1Anatomy Relating to, consisting of, or denoting a layer of epithelium that consists of very thin flattened cells.
      ‘squamous cell carcinoma’
      • ‘Differential cell counts were made by examining 500 nucleated cells, excluding squamous and bronchial epithelial cells.’
      • ‘He presented with a large squamous cell carcinoma on the dorsum of his right index finger.’
      • ‘In some areas, the glandular epithelium showed squamous and transitional cell metaplasia.’
      • ‘Cancer in the upper part of the oesophagus is called squamous cell carcinoma.’
      • ‘These cells, about 40 m in diameter and termed primary oocytes, are enclosed within a single layer of squamous cells, forming a primordial follicle.’
    2. 1.2Anatomy attributive Denoting the flat portion of the temporal bone which forms part of the side of the skull.
      • ‘The squamous part of the temporal bone may exhibit a sizable, extra process just anterior to the external acoustic meatus, called the postglenoid process.’


Late Middle English: from Latin squamosus, from squama ‘scale’.