Main Entry: ac·ci·dent

Pronunciation: \ˈak-sə-dənt, -ˌdent; ˈaks-dənt\

Function: noun

Etymology: Middle English, from Middle French, from Latin accident-, accidens nonessential quality, chance, from present participle of accidere to happen, from ad- + cadere to fall — more at chance

Date: 14th century

1 a : an unforeseen and unplanned event or circumstance b : lack of intention or necessity : chance <met by accident rather than by design>
2 a : an unfortunate event resulting especially from carelessness or ignorance b : an unexpected and medically important bodily event especially when injurious <a cerebrovascular accident> c : an unexpected happening causing loss or injury which is not due to any fault or misconduct on the part of the person injured but for which legal relief may be sought d —used euphemistically to refer to an involuntary act or instance of urination or defecation
3 : a nonessential property or quality of an entity or circumstance <the accident of nationality>