Definition of infectious sinusitis
: a virus disease of turkeys marked by inflammation of the lining of the infraorbital sinuses resulting in great distention of the sinuses and by exudate that interferes with vision and indirectly with nutrition
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!
Seen and Heard
What made you want to look up infectious sinusitis? Please tell us where you read or heard it (including the quote, if possible).