The Collaborative International Dictionary
Chank \Chank"\ (ch[a^][ng]k), 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 shell.
Wiktionary
n. (context East India English) The large spiral shell of several species of sea conch, much used in making bangles, especially (taxlink Turbinella pyrum species noshow=1). vb. (context US English) To eat noisily; to champ or chomp
Usage examples of "chank".
A fluted column shaped like a Greek pillar, supporting nothing but itself, was Chank, which had been a shopping center.
Without the supplies aboard Chank -- from markets, restaurants, clothing and bedding stores, even toy shops -- for trading with the Machine People, the city would have died early.
So the sideshow gave way to a salvation tent, and Miss Reba grew up chanking a tambourine to the melody of Rock of Ages, and collecting his offerings in her gold-painted lard bucket.