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.
Plunger guns have nothing to do with plumbing issues. A plunger-style gun is the simplest form of in-line muzzleloader and was the first to hit the market. The design is this: the nipple sits in the breech with a percussion cap on, the plunger rides on a spring mechanism and is controlled by the trigger.