Definition of maxillula
1 : either member of the first pair of maxillae of a crustacean
2 : any of several lobes or appendages of an insect's mouthparts that may be homologous to the crustacean maxillula
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 maxillula
New Latin, from maxilla + -ula
Seen and Heard
What made you want to look up maxillula? Please tell us where you read or heard it (including the quote, if possible).