from the GNU version of the Collaborative International Dictionary of English
- n.pl. A division of Arachnida including those that breathe only by means of tracheæ. It includes the mites, ticks, false scorpions, and harvestmen.
from The Century Dictionary and Cyclopedia
- n. The tracheate arachnidans, an order of Arachnida comprising those which breathe by tracheæ alone.
Sorry, no etymologies found.