Knack v. i. : To crack; to make a sharp, abrupt noise to chink.

Knack v. i. : To speak affectedly.

Knack n. : A petty contrivance; a toy; a plaything; a knickknack.

Knack n. : A readiness in performance; aptness at doing something; skill; facility; dexterity.

Knack n. : Something performed, or to be done, requiring aptness and dexterity; a trick; a device.

Example:
What are knick Knack figurines usually made of?

Taxonomy
The Knack, Doug Fieger, Power Pop, Sharona Alperin, Rhino Records, Serious Fun, Round Trip, Zoom, Official Home Page, Rock and Roll, Radio, Berton Averre, Bruce Gary, Terry Bozzio, Prescott Niles, Was (Not Was, Sky, alternative music.

Defination from the web:
Knack Official Web Site for the latest release, tour, merchandise, reviews, Knack news and discography information from The Knack, the band that brought you My Sharona, Get The Knack, Round Trip, Serious Fun, Zoom (Rhino Records) and ...