A little machine; a petty contrivance; a toy. A knack, a toy, a trick, a baby’s cap.

A readiness; habitual facility of performance; dexterity; adroitness. My author has a great knack at remarks. The Dean was famous in his time, And had a kind of knack at rhyme.

A nice trick. For how should equal colors do the knack? Cameleons who can paint in white and black?

nak. To crack; to make a sharp abrupt noise.