Meaning & use
bar lines
Last updated
Meanings
nounpluralmusic
The vertical lines drawn on a musical staff to separate it into measures or bars.
Grammar: Always used in the plural when referring to the lines collectively; a single one is called a 'bar line'.
Patterns
- draw bar lines
- bar lines separate measures
- at the bar line
The teacher asked us to add bar lines to the rhythm exercise.
In this piece, the bar lines are faint, so it's hard to see where each measure begins.
He placed a double bar line at the end of the section.
nouncountablemusic
A vertical line on a staff that marks the end of a section or piece, often drawn double.
Grammar: A single such line is a 'bar line'; two together form a 'double bar line'.
Patterns
- double bar line
- final bar line
- end with a double bar line
The composer wrote a double bar line to show the end of the song.
Make sure the final bar line is clear so the performer knows where to stop.
Word forms
| singular | bar line |
|---|
Common combinations
- add bar lines
- Please add bar lines to the melody on the board.
- draw bar lines
- The students learned to draw bar lines evenly.
- double bar line
- A double bar line marks the end of the piece.
- bar lines separate measures
- Bar lines separate measures in written music.
- at the bar line
- The note is held until the next bar line.
Synonyms and how they differ
- measure lines
- Used mainly in American English; 'bar lines' is more common in British English.
Word family
Commonly confused: bar lines or barline?
bar lines vs barline
Sometimes written as one word, but the standard spelling is two words: bar line(s).
Practice
What do bar lines do in musical notation?
Choose one answer.
Bar lines divide the staff into measures (or bars). Pitch is shown by note position, dynamics by symbols like f or p, and instrumentation by labels, not by bar lines.
Make it your own
Write a sentence using “bar lines”, then check it and compare it with the examples above.