squama

/S K W AA1 M AH0/
noun
  1. 1

    (medicine) A scale cast off from the skin; a thin dry shred of epithelium.

  2. 2

    (botany) The bract of a deciduous spike.

  3. 3

    (botany) Any scaly bracted leaf.

  4. 4

    (entomology) A calypter.