English

Adjective

decennary ‎(not comparable)

1. Decennial: of or related to a ten-year period.

Noun

decennary ‎(plural decennaries)

1. A decennium: a period of ten years.

Usage notes

Although decade may be taken as any group of ten years, it is commonly restricted to the informal ten-year periods of the calendar whose last digits run from 0 to 9. Decennary &c. has no such restriction.

Synonyms

• See decennium

Etymology 2

From Medieval Latin decennārius, a variant of decanarius ‎(“containing ten items; related to the number ten”).^[2]

Adjective

decennary ‎(not comparable)

1. Alternative form of decenary: of or related to the number ten; containing ten items.

Etymology 3

From Medieval Latin decennārius, a variant of decēnārius.^[3]

Adjective

decennary ‎(not comparable)

1. (law, historical) Alternative form of decenary: of or related to a tithing.

Noun

decennary ‎(plural decennaries)

1. (law, historical) Alternative form of decenary: a tithing.
   • 1881, T.S. Frampton, Hundred of Wrotham, p. 36:

     All males... should... be enrolled in a tithing, or decennary, which originally consisted of ten free families.

References

1. ↑ Oxford English Dictionary, 1st ed. "decennary, adj. and n." Oxford University Press (Oxford), 1894.
2. ↑ Oxford English Dictionary, 3rd ed. "decenary, adj.¹" Oxford University Press (Oxford), 2015.
3. ↑ Oxford English Dictionary, 1st ed. "decenary | decennary, adj.² and n." Oxford University Press (Oxford), 1894.