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 (Noun) A swimming event in which the contestants may choose any stroke. freestyle (Noun) (By extension) The swimming stroke commonly referred to as the front crawl or the Australian crawl. freestyle (Noun) A style of wrestling in which any non-injurious holds are permitted. freestyle (Noun)