Noun: septenary 'sep-tu,ne-ree [N. Amer], sep-tin-(u-)ree or sep'teen-(u-)ree [Brit]
- A set of seven similar things considered as a unit
"The septenary of planets orbiting the distant star intrigued astronomers";
- septet, septette, heptad [technical]
Derived forms: septenaries
Type of: set
Encyclopedia: Septenary