Anat. [L.] The ‘heel’ at the junction of the tibia and the tarsus in quadrupeds and birds.
1842. Brande, Dict. Sci., etc., Suffrago, in Mammalogy and Ornithology, the joint of the tibia with the tarsus.
1872. Coues, N. Amer. Birds, 240. The feathers rarely reach the suffrago.
