Definition of rose comb
1 : a flat rather broad comb of a domestic fowl that has the upper surface studded with small tubercles and terminates posteriorly in a fleshy spike
2 : a disorder of mushrooms in which the caps are much distorted and which is probably caused by chemical irritants (as oily sprays or heater fumes)
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 rose comb
2rose + comb
First Known Use: 1831
Seen and Heard
What made you want to look up rose comb? Please tell us where you read or heard it (including the quote, if possible).