Definition of gyroma
: convolution: such as a : the annulus of a fern b : a shield somewhat resembling a button in lichens of the genus Gyrophora
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 gyroma
New Latin, from Greek gyroun to round, bend, from gyros ring, circle — more at gyre
Seen and Heard
What made you want to look up gyroma? Please tell us where you read or heard it (including the quote, if possible).