Aleatory
Defined in 3 dictionaries — Ballentine's (1916), Kinney (1893), Anderson (1889)
Ballentine's Law Dictionary
James A. Ballentine · 1916
Uncertain; involving risk or hazard as a contract of insurance. See 8 La. Ann. 488.
A Law Dictionary and Glossary
George C. Kinney · 1893
Hazardous; uncertain. Aleatory contract: a contract the performance of which on either side depends on an uncertain event
A Dictionary of Law
William C. Anderson · 1889
^ Depending upon an event the outcome of which is unknown; resting upon a contingency. Applied, mainly, to annuities and insurance contracts. It is of the essence of all aleatory contracts that there should be risk on one side or on both sides.°