clypeate

from The Collaborative International Dictionary of English v.0.48
Clypeate \Clyp"e*ate\, a. [L. clupeatus, p. p. of clupeare to
   arm with a shield, fr. clupeus, clipeus shield.]
   1. (Bot.) Shaped like a round buckler or shield; scutate.
      [1913 Webster]

   2. (Zool.) Furnished with a shield, or a protective plate or
      shell.
      [1913 Webster]
    

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