ORIGIN: Middle English
1 a: a task or chore requiring adroitness and dexterity
1 b: a clever way of doing something
2 a: a special ready capacity that is hard to analyze or teach for dexterous adroit performance especially of the unusual, technical, or difficult
3 b obsolete: a dainty article of food: delicacy
3 c obsolete: an ingenious literary device: conceit
SENTENCE: The word knack has eight different definitions, three of which are either archaic or obsolete.
NOTE: This word was the winning word of the eighth National Spelling Bee, which was won by Dorothy Greenwald.