Final answer:
The heel bone, also known as the calcaneus, forms the bony prominence commonly referred to as the heel. It is the largest bone of the foot and plays a crucial role in weight-bearing and movement.
Step-by-step explanation:
The bony prominence commonly called the 'heel bone' is formed by the calcaneus. The calcaneus is the largest bone of the foot and forms the heel. It articulates with the talus bone to form the ankle joint.