octavary

noun

oc·​ta·​vary

ˈäktəˌverē

plural -es

: a Roman Catholic service book containing collects and lections for use within festival octaves

Word History

Etymology

New Latin octavarium, from Medieval Latin octava octave + New Latin -arium

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!