Chant du cygne is a French phrase that translates to "swan song" in English. It describes a final act or performance, often one that marks the end of an era or career. Synonyms for this phrase include finale, last hurrah, farewell, final act, and swan song. These terms all convey a sense of finality and closure and can be used to describe various situations, such as the end of a sports season or the retirement of a famous performer. Whatever the context may be, the phrase chant du cygne and its synonyms all evoke a sense of bittersweet emotions, marking the transition from one phase of life to the next.