a. [ad. L. āleātōri-us, f. āleātor a dice-player, f. ālea a die, the dice.] Dependent on the throw of a die; hence, dependent on uncertain contingencies.

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1693.  Urquhart, Rabelais, III. xlii. So continually fortunate in that aleatory way of deciding Law Debates.

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1818.  H. Colebrooke, Oblig. & Contr., I. 17. If the equivalent consist in the risk of loss, or the chance of gain, dependent on an uncertain event, the contract is contingent and aleatory or hazardous.

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1879.  Motley, in Holmes, Life, xxi. 168. Such an aleatory process seemed an unworthy method in arbitrations.

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