1. Dependent on chance, luck, or an uncertain outcome: an aleatory contract between an oil prospector and a landowner.
2. Of or characterized by gambling: aleatory contests.
3. also a·le·a·to·ric (ā′lē-ə-tôr′ĭk) Music Using or consisting of sounds to be chosen by the performer or left to chance; indeterminate: An object placed inside the piano added an aleatory element to the piece.
[Latin āleātōrius, from āleātor, gambler, from ālea, game of chance, die.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(ˈeɪlɪətərɪ; -trɪ) or
1. dependent on chance
2. (Classical Music) (esp of a musical composition) involving elements chosen at random by the performer
[C17: from Latin āleātōrius, from āleātor gambler, from ālea game of chance, dice, of uncertain origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
(ˈeɪ li əˌtɔr i, -ˌtoʊr i, ˈæl i-)
(ˌeɪ li əˈtɔr ɪk, -ˈtɒr-, ˌæl i-)
1. Law. depending on an uncertain event: an aleatory contract.
2. of or pertaining to luck or chance; unpredictable.
3. Music. employing the element of chance in the choice of tones, rests, durations, rhythms, dynamics, etc.
[1685–95; < Latin āleātōrius, adj. derivative of āleātor gambler (āle(a) game of chance)]
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