casket
Synonym discussion
Sense: noun/1
A casket and a coffin both hold a dead body for burial or cremation, but they carry different overtones. 'Casket' is the preferred term in American English and often suggests a rectangular shape with a hinged lid, used at funeral viewings. 'Coffin' is the older, more widespread word, standard in British English, and typically refers to a tapered box (wider at the shoulders). 'Bier' is not a box at all — it is the stand or platform on which a coffin or casket rests during a funeral. 'Sarcophagus' refers to an ancient stone coffin, often ornately carved, associated with Egyptian, Greek, or Roman burials. For everyday modern contexts, a family in the US would select a casket, while a family in the UK would choose a coffin — but both serve the same solemn purpose.
Etymology
The word entered English in the 15th century from Middle French 'casset' or 'cassette', a diminutive of Old French 'casse' (meaning chest or case). Its original sense was a small box for valuables such as jewels or documents. The funeral meaning developed much later, emerging in 19th-century American English as a gentler euphemism for 'coffin', reflecting the rise of the modern funeral industry and its preference for softer language.