'Knickknack' definitions:

Definition of 'knickknack'

From: WordNet
noun
A small inexpensive mass-produced article [syn: knickknack, novelty]
noun
Miscellaneous curios [syn: bric-a-brac, knickknack, nicknack, knickknackery, whatnot]

Definition of 'Knickknack'

From: GCIDE
  • Knickknack \Knick"knack`\, n. [See Knack.] A trifle or toy; a bawble; a gewgaw; a tchotchke. [1913 Webster +PJC]