The phrase "flourish trumpet" refers to a musical fanfare often played on a trumpet. Synonyms for this phrase could include "trumpet fanfare," "trumpet call," or "brass flourish." These terms all refer to a short but attention-grabbing musical passage that is often used to signal the beginning or end of a ceremony or event. Other related terms that might be used include "bugle call," "horn blast," or "musical announcement." While the term "flourish trumpet" itself isn't commonly used in everyday conversation, these synonyms can help convey the same meaning and add a bit of musical flair to your language.