Knack

Part of speech: noun (n.)

1. A petty contrivance; a toy; a plaything; a knickknack. A knack, a toy, a trick, a baby's cap. Shak.

2. A readiness in performance; aptness at doing something; skill; facility; dexterity. The fellow . . . has not the knack with his shears. B. Jonson. The dean was famous in his time, And had a kind of knack at rhyme. Swift.

3. Something performed, or to be done, requiring aptness and dexterity; a trick; a device. "The knacks of japers." Chaucer. For how should equal colors do the knack ! Pope.

Part of speech: verb (v.)

1. To crack; to make a sharp, abrupt noise to chink. [Obs. or Prov. Eng.] Bp. Hall.

2. To speak affectedly. [Prov. Eng.] Halliwell.