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
The center of this ring is the bone called the talus. The talus bone has a shiny joint surface covering which allows your ankle to glide effortlessly across the shiny undersurface of your large leg bone called the tibia. When these two bones meet they form your ankle joint.