1. Notation marking the end of principal parts of a musical composition; two adjacent bar lines

Derived forms: double bars

Type of: bar line

• quarter-hour
• quarter-tone
• quarterage
• quarterback
• quarterdeck
• quarterfinal
• quartering
• quarterlight
• quarterly
• quartermaster
• quartermaster general
• quartern
• quarters
• quarterstaff
• quartervine
• quartet
• quartette
• quartic
• quartic polynomial
• quartile
• quarto
• quartz
• quartz battery
• quartz clock
• quartz crystal