plantar calcaneonavicular ligament

plantar cal·ca·neo·na·vic·u·lar ligament

noun
\-(ˌ)kal-ˌkā-nē-ō-nə-ˈvik-yə-lər-\

Definition of PLANTAR CALCANEONAVICULAR LIGAMENT

: an elastic ligament of the sole of the foot that connects the calcaneus and navicular bone and supports the head of the talus—called also spring ligament