swimmeret: one of the paired abdominal appendages of certain aquatic crustaceans that function primarily for carrying the eggs in females and are usually adapted for swimming
body part: any part of an organism such as an organ or extremity
east india company: an English company formed in 1600 to develop trade with the new British colonies in India and southeastern Asia; in the 18th century it assumed administrative control of Bengal and held it until the British army took over in 1858 after the Indian Mutiny