quadruplet
/ˈkwɑdrəplət/
noun
- One of four children born at the same time to the same mother.
- Raising quadruplets is a huge challenge for any parent.
- The quadruplets all had different personalities.
- She gave birth to healthy quadruplets last month.
- A group or set of four things, especially notes in music played in the time of three.
- The pianist practiced the quadruplet until it sounded smooth.
- The drummer played a tricky quadruplet on the snare.
- In the sheet music, the quadruplet was marked with a small '4'.