Sometimes we learn that a word we'd thought was universal was actually specifically American English the whole time. Today, that word was "casket" in its usage meaning "coffin". Apparently it's just a sort of decorative box in British English.
@starkatt This wikipedia page is very interesting! https://en.wikipedia.org/wiki/List_of_words_having_different_meanings_in_American_and_British_English_(A%E2%80%93L)
@Rosemary today I learned!