adj. uncertain; usually applied to insurance contracts in which p...

"of uncertain outcome," literally "depending on the throw of a die," 1690s, from Latin aleatorius "pertaining to a gamester," from aleator "a dice player," from [..]

Depending on an uncertain event. Usually applied to insurance contracts in which payment is dependent on the occurrence of an uncertain event, such as injury to an insured person or fire damage to an [..]

[Latin aleatorius of a gambler, from aleator gambler, dice player, from alea, a dice game] : depending on an uncertain event or contingency as to both profit and loss [the nature of a lawyer's .. [..]

Aleatory means dependent on chance, luck, or an uncertain outcome. It is usually used to refer to a type of contract in which one of the parties exposes himself to lose something which will be a profi [..]

  Comes from the Latin term alea, meaning "a game of dice." Aleatory music is also called chance music. Chance or indeterminancy may affect compositional elements, the performance, or both. [..]

(adj) dependent on chance

[4] (Boulez) the European term for chance music

also referred to as indeterminacy

adj. uncertain; usually applied to insurance contracts in which payment is dependent on the occurrence of a contingent event, such as injury to the insured person in an accident or fire damage to his [..]

A contract in which participating parties exchange unequal amounts. Insurance contracts are aleatory in that the amount the insured will pay in premiums is unequal to the amount the insurer will pay in the event of a loss.

Depending on the throw of a die; random, arising by chance