hydrula
noun
hy·dru·la
\ˈhīdrələ\
Definition of hydrula
-s
1 : a hypothetical primitive polyp of simple type
2 : a developmental phase of many coelenterates (as hydroids) in which they have the form of a simple polyp
Read the Latest from 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 hydrula
New Latin, diminutive of hydra (hydrozoan polyp)
Seen and Heard
What made you want to look up hydrula? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!