Source : Webster's Revised Unabridged Dictionary (1913)

Chank \Chank"\, n. [Skr. [,c]a[.n]kha. See {Conch}.] (Zo["o]l.)
   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 chell}.