What's Trending Now
More Trending Words
protegulum
noun
pro·tegulum
\(ˈ)prō+\
Definition of protegulum
-s
: the embryonic shell of a brachiopod that is biconvex and smooth and has a wide posterior gape
People Are Reading
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 protegulum
New Latin, from 1pro- + Latin tegulum covering, from tegere to cover + -ulum (neuter of -ulus -ule)
Seen and Heard
What made you want to look up protegulum? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!