n. & v. [ Obs. ] See Cheer. [ 1913 Webster ]
‖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 ]
a. Tracheal; breathing by means of tracheae. --