Tracheobranchia
Pronunciation : Tra`che*o*bran"chi*a
Part of Speech : n.;
Etymology : [NL. See Trachea, and Branchia.] (Zo?l.)
Definition : Defn: One of the gill-like breathing organs of certain aquatic insect larv?. They contain tracheal tubes somewhat similar to those of other insects.
pl. Tracheobranchlae.
Source : Webster's Unabridged Dictionary, 1913