from The Century Dictionary.
- noun In entomology, a claw-like organ which in many genera of insects is seen between the ungues or true claws.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun zoology A
bristle-like or pad-like structurebetween the tarsal clawsof Diptera.
Sorry, no etymologies found.
Arolium - ia: cushion-like pads on the tarsi of many insects: one of the lobes of the pulvillus; in Orthoptera, used only for the terminal pad between the claws: see empodium; pulvillus; palmula; plantula; onychium, paronychium, pseudonychium.
Diptera; see empodium: a more or less retractile process on the feet of some beetles: in Hymenoptera, the apical tarsal joint bearing the claws: see also arolium and pulvillus.