CHANK
Noun
chank (plural chanks)
(East India) The large spiral shell of several species of sea conch, much used in making bangles, especially Turbinella pyrum.
Verb
chank (third-person singular simple present chanks, present participle chanking, simple past and past participle chanked)
(US) To eat noisily; to champ or chomp
Source: Wiktionary
Chank", n. Etym: [Skr. çankha. See Conch.] (Zoöl.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition