Grade 5 orchestra Get Printable Handwriting (or-ches-tra) 3 syllables Rhymes Learn It! Spelling Test Definition noun. 1 a musical organization consisting of a group of instrumentalists including string players; 2 seating on the main floor in a theater Example Sentence Jody tried out for the school orchestra today. Synonyms symphony; band; instrumental musical group Antonyms audience Rhymes Three Syllable Rhymes (1) orchestra Share with your friends: