rastellus

noun

ra·​stel·​lus

rəˈsteləs

plural -es

: a toothed structure like a rake on the basal segment of the chelicera of many burrowing spiders that is of use in digging

Word History

Etymology

borrowed from New Latin, going back to Latin rāstellus "rake," diminutive of rāstrī, rāstrum "hoe with two to six tines"

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now