hypotarsus
Hy`po*tar"sus, n.; pl. Hypotarsi. Etym: [NL. See Hypo-, and Tarsus.] (Anat.) Defn: A process on the posterior side of the tarsometatarsus of many birds; the calcaneal process. -- Hy`po*tar"sal, a.
Hy`po*tar"sus, n.; pl. Hypotarsi. Etym: [NL. See Hypo-, and Tarsus.] (Anat.) Defn: A process on the posterior side of the tarsometatarsus of many birds; the calcaneal process. -- Hy`po*tar"sal, a.