knickknack | sense examples, Usage and Definition from wordnet dictionary online

Noun knickknack has 2 senses

knickknack, novelty - a small inexpensive mass-produced article
--₁ is a kind of article
bric-a-brac, knickknack, nicknack, knickknackery, whatnot - miscellaneous curios
--₂ is a kind of curio, curiosity, oddity, oddment, peculiarity, rarity