calendar round

noun

: a period of fifty-two 365-day years after which the combinations of day names, day numbers, and month positions repeat in the Maya or Aztec calendars

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now