apostrophus
noun
apos·tro·phus
\-fəs\
Definition of apostrophus
apostrophi
\-ˌfī\1 : 2apostrophe
2 : a symbol that resembles a backwards letter C and that was used in the ancient Roman number system in combination with the symbol I to represent 500
Explore M-W
There's more!
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!
Origin and Etymology of apostrophus
Late Latin — more at apostrophe
Seen and Heard
What made you want to look up apostrophus? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!