collectarium

noun

col·​lec·​tar·​i·​um

-ˈta(a)rēəm

plural collectariums

-ēəmz

or collectaria

-ēə

: a service book containing collects

Word History

Etymology

Medieval Latin, from collecta collect + Latin -arium

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