The word "limb" is a noun that has several meanings, but it generally refers to a part that sticks out or extends from something. Here’s a breakdown to help you understand it better:
Body Part: In a biological sense, a "limb" refers to a large, jointed part of an animal's body, such as an arm or a leg. For example, humans have four limbs: two arms and two legs.
Tree Branch: It can also mean a large branch of a tree.
Other Uses:
While "limb" does not have widely used idioms or phrasal verbs associated with it, you might hear phrases like "to go out on a limb," which means to take a risk or make a bold decision.