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.
Plunge bras are popular bra styles for: 1  Women who want great cleavage. 2  Women who want to show the top swell of their breasts. 3  Women who are looking for a sexy bra for a night in.  Women who have a low-cut outfit or shirt and don't want their bras to show.