What is 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 called?

knack — 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. (Webster's 1913.)

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