A readiness in performance; aptness at doing a specific task; skill; aptitude; facility; dexterity; -- often used with for; as, a knack for playing the guitar.

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

A petty contrivance; a toy; a plaything; a knickknack.

To speak affectedly.

a special way of doing something; "he had a bent for it"; "he had a special knack for getting into trouble"; "he couldn't get the hang of it"

To crack; to make a sharp, abrupt noise to chink.

A person's instinctive way of dealing with detail, structure, risk and tangible effort.