The Collaborative International Dictionary of English v.0.48:

Squame \Squame\ (skw[=a]m), n. [L. squama scale.]
   1. A scale. [Obs.] "Iron squames." --Chaucer.
      [1913 Webster]

   2. (Zool.) The scale, or exopodite, of an antenna of a
      crustacean.
      [1913 Webster]