1.A petty contrivance; a toy; a plaything; a knickknack. "A knack, a toy, a trick, a baby's cap."
2.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. "The fellow... has not the knack with his shears." "The dean was famous in his time, And had a kind of knack at rhyme."
3.Something performed, or to be done, requiring aptness and dexterity; a trick; a device. "The knacks of japers." "For how should equal colors do the knack!"
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