'Trachearia' definitions:

Definition of 'Trachearia'

From: GCIDE

Trachearia \Tra`che*a"ri*a\, n. pl. [NL.] (Zool.) A division of Arachnida including those that breathe only by means of tracheae. It includes the mites, ticks, false scorpions, and harvestmen. [1913 Webster]