Webster's Revised Unabridged Dictionary · 1913

Luck

Luck , noun

[Akin to Dutch luk, geluk, German gluck, Icelandic lukka, Swedish lycka, Danish lykke, and perh. to German locken to entice. Compare 3d Gleck.]

That which happens to a person; an event, good or ill, affecting one's interests or happiness, and which is deemed casual; a course or series of such events regarded as occurring by chance; chance; hap; fate; fortune; often, one's habitual or characteristic fortune; as, good, bad, ill, or hard luck. Luck is often used by itself to mean good luck; as, luck is better than skill; a stroke of luck.
If thou dost play with him at any game, Thou art sure to lose; and of that natural luck, He beats thee 'gainst the odds. — Shakespeare
Collocations (2)
Luck penny , a small sum given back for luck to one who pays money. [Provincial English]
To be in luck , to receive some good, or to meet with some success, in an unexpected manner, or as the result of circumstances beyond one's control; to be fortunate.