Definition of rastellus
: a toothed structure like a rake on the basal segment of the chelicera of many burrowing spiders that is of use in digging
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 rastellus
borrowed from New Latin, going back to Latin rāstellus “rake,” diminutive of rāstrī, rāstrum “hoe with two to six tines”
Seen and Heard
What made you want to look up rastellus? Please tell us where you read or heard it (including the quote, if possible).