Alternate passage, in a score

• Easier version, in music scores
• Or else, in music
• Easier version, in music
• Direction to an alternative musical passage
• Alternate passage indicator, in a score
• Alternative passage in music
• Or, in a musical score
• Musical passage
• Easier version indicator, in music scores

Wiktionary Word definitions in Wiktionary
n. (context music English) In a musical score an ossia is an alternative version of the music, often just a few measures long.