1. Plural of nonary; groups or sets of nine items or members.
Usage: Rare; primarily used in mathematical, musical, or specialized contexts.
2. In mathematics, numbers or systems based on the number nine or having nine as a base.
Usage: Technical; used in number theory and numeral systems.

Examples

• The composer arranged the piece in nonaries, creating nine distinct musical phrases.
• In base-nine arithmetic, nonaries represent the fundamental counting units.
• The ancient text divided the calendar into nonaries of days.
• Mathematicians studied the properties of nonaries in their research on number bases.