'Nainsook' definitions:

Definition of 'nainsook'

From: WordNet
noun
A soft lightweight muslin used especially for babies

Definition of 'Nainsook'

From: GCIDE
  • Nainsook \Nain`sook"\, n. [Nainsukh, a valley in Kaghan.] A thick sort of jaconet muslin, plain or striped, formerly made in India. [1913 Webster]