Boatswain of the Royal Navy, c. 1820. The word boatswain has been in the English language since approximately 1450. It is derived from late Old English batswegen, from bat (boat) concatenated with Old Norse sveinn (swain), meaning a young man, apprentice, a follower, retainer or servant.
The talus bone (/ËteÉªlÉs/ ; Latin for ankle), astragalus /ÉËstraeÉ¡ÉlÉs/ , ÉËstrÃ¦É¡ÉlÉs or ankle bone is one of the group of foot bones known as the. Tarsus the tarsus forms the lower part of the ankle joint through its articulations with the lateral and medial malleoli of the two bones of the lower, leg the tibia and. fibula
2. Two of the tarsal bones, the talus bone and calcaneus bone, form the hindfoot. The talus articulates with the tibia and fibula at the ankle and the calcaneus forms the heel.nteriorly, the talus articulates with the navicular bone and inferiorly it articulates with calcaneus bone. Calcaneus Bone. 4. (Os calcaneum; L. heel) - forms the heel of the foot and is the largest tarsal bone. Along its superior aspect are three surfaces that articulate with the talus bone.