Definition of decease noun from the Oxford Advanced Learner's Dictionary



BrE BrE//dɪˈsiːs//
; NAmE NAmE//dɪˈsiːs//
[uncountable](law or formal)
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the death of a person Word Origin Middle English: from Old French deces, from Latin decessus ‘death’, past participle (used as a noun) of decedere ‘to die’.
See the Oxford Advanced American Dictionary entry: decease