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.
Getting your baby used to water early in his life makes sense from a safety point of view. Swimming is also great fun and good exercise. Hereâs some advice on taking the plunge with your little one. It's best that you wait until six weeks after your baby's birth before you go swimming. If you go sooner, thereâs a chance you could pick up an infection.