'Cornstarch' definitions:

Definition of 'cornstarch'

From: WordNet
noun
Starch prepared from the grains of corn; used in cooking as a thickener [syn: cornstarch, cornflour]

Definition of 'Cornstarch'

From: GCIDE
  • Cornstarch \Corn"starch`\ (-st[aum]rch`), n. Starch made from Indian corn, esp. a fine white flour used for puddings, etc. [1913 Webster]