Chank

from The Collaborative International Dictionary of English v.0.48
Chank \Chank"\ (ch[a^][ng]k), n. [Skr. [,c]a[.n]kha. See
   {Conch}.] (Zool.)
   The East Indian name for the large spiral shell of several
   species of sea conch much used in making bangles, esp.
   {Turbinella pyrum}. Called also {chank shell}.
   [1913 Webster]
    

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