Luck \Luck\, n. [Akin to D. luk, geluk, G. gl["u]ck, Icel. lukka, Sw. lycka, Dan. lykke, and perh. to G. locken to entice. Cf. 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 for good luck; as, luck is better than skill.

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. --Shak.

Luck penny, a small sum given back for luck to one who pays money. [Prov. Eng.]

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.

Source: Webster's Revised Unabridged Dictionary (1913)