furnished with two auricles or ears
• (a.) Having two earlike projections at its base, as a leaf. • (a.) Having two auricles, as the heart of mammals, birds, and reptiles.
Bi`au·ric'u·late adjective [ Prefix bi- + auriculate .] 1. (Anat.) Having two auricles, as the heart of mammals, birds, and reptiles. 2. (Bot. & Zoology) Having two earlike projections at its base, as a leaf. 
furnished with two auricles or ears
having two auricles or earlike parts.