This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of chorale.

"Choirs of boys gathered and performed their dance to the sound of flute and lyre, and the best of them were chosen to act characters; the songs written for these occasions were known as chorales; and the ancient lyric poetry abounded in such compositions."