'Mastication' definitions:

Definition of 'mastication'

From: WordNet
noun
Biting and grinding food in your mouth so it becomes soft enough to swallow [syn: chew, chewing, mastication, manduction]

Definition of 'Mastication'

From: GCIDE
  • Mastication \Mas`ti*ca"tion\, n. [L. masticatio: cf. F. mastication.] The act or operation of masticating; chewing, as of food. [1913 Webster]
  • Mastication is a necessary preparation of solid aliment, without which there can be no good digestion. --Arbuthnot. [1913 Webster]