"Glass onion" refers to a phrase that is associated with the title of the 2022 murder mystery movie. This movie is a murder mystery film that features appearances by prominent figures Serena Williams and Yo-Yo Ma. The phrase "glass onion" itself may have multiple interpretations, but in the context of the movie, it likely holds symbolic or metaphorical significance related to the storyline or themes explored in the film.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: 2022 murder mystery movie with cameos by Serena Williams and Yo-Yo Ma. Explanations are generated by AI and may be inaccurate.