Crabs and their close relatives have 10 legs, arranged in five pairs. Some of their legs are used for walking, while others are used for swimming or defense.
Definition of plunge for English Language Learners. : 1  a sudden fall or jump usually from a high place. : 2  a sudden quick fall in amount, value, etc. : 3  the act of suddenly beginning to be in a particular condition or situation.
Freestyle, also known as Front Crawl, is the fastest swimming stroke in which you swim from side to side with your head ideally down as you set up a high catch with your â¦ arms reaching out front alternatively and as you create propulsions with your up and down or flutter kick movements. + 1 other found this useful.